A sunny yellow school chair featuring a shatter-resistant polypropylene shell and a safety-angled base to ensure four-leg stability at all times.
Canary yellow educational chair with integrated lumbar support and a non-toxic powder-coated frame, perfect for early years and primary classrooms.
Size chart showing school chair dimensions by age group, including height, seat depth, and weight for children aged 3 to 14+ years. Ideal for selecting age-appropriate classroom seating.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 3 Yellow Anti-Tilt Junior Seating

The Cobolt Yellow Size 3 Chair provides a sturdy and ergonomically sound foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement required in bustling Year 3 and Year 4 classrooms.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 regulations, the 350mm seat height ensures junior students maintain a healthy lumbar position while keeping feet firmly planted.
  • Circular Economy Asset: Constructed from 100% recyclable polypropylene and steel, this chair supports your institution's carbon reduction targets through its domestic manufacturing.
  • Enhanced Blood Flow: The downward-curved front edge removes pressure points behind the knees, preventing restlessness during tabletop learning sessions.

Institutional Resilience

  • High-Impact Shell: The non-porous yellow shell resists staining from ink and school supplies, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings: We utilize industrial-grade, tamperproof fasteners to lock the shell to the grey steel legs, ensuring a permanent, rattle-free connection.
  • Efficient Space Management: These units are designed for safe vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends.

The Cobolt Standard

  • 50 Years of Manufacturing Heritage: As a trusted public sector partner for half a century, we deliver school furniture that exceeds the most rigorous UK safety benchmarks.
  • Free UK Mainland Delivery: We simplify institutional procurement by absorbing all shipping costs, ensuring your classroom refit project remains strictly on budget.
  • Fifteen-Year Financial Shield: Our extensive structural warranty provides unparalleled asset protection, covering frame welds and plastic shell integrity for over a decade.

Where is this Size 3 Yellow Anti-Tilt Chair utilised?

The Yellow Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior Libraries, After-School Clubs, and Primary Learning Hubs. Its adult-strength frame combined with junior-specific proportions makes it an incredibly versatile asset for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – The angled rear legs proactively inhibit students from rocking back, reducing junior classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both the welded steel frame and the high-impact shell.
  • 3.5kg Unit Weight – Robust construction that remains light enough for staff to move and stack with ease.
  • Slate Grey Powder-Coating – A high-quality metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing.
  • High-Impact Polypropylene – The shell is resistant to ink, school chemicals, and staining, allowing for instant sanitisation.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached to the frame.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Junior Schools

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of UK primary education.
  • Free UK Mainland Delivery: We manage the delivery of school orders at no extra cost, ensuring your project remains within allocated budgets.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Reliable Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a crucial design feature for active learners, shifting the balance point to proactively prevent dangerous "chair swinging" habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (350mm) is perfectly scaled for the 6-8 year old stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended seated learning or tabletop activities.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the powder-coated grey legs.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

The Size 3 Yellow Anti-Tilt Chair combines certified junior ergonomics with a heavy-duty safety frame. These specifications detail the materials and dimensions that make it the responsible choice for Key Stage 2 classrooms.

Target Ages
6-8 Years (Size 3)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Purpose / Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal thigh support for junior students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Balanced classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Material
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Sustainability
100% Recyclable
Eco-friendly product lifecycle

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Junior Seating Specialist Advice

Q: Is a "Size 3" chair correct for Year 3 and Year 4 students?

A: Size 3 (350mm seat height) is the ergonomic standard for children aged 6 to 8 years. It ensures that junior students can sit with a flat-footed stance, essential for maintaining healthy sitting habits during their primary education.

Q: How does the "Anti-Tilt" geometry proactively prevent falls?

A: The rear legs are set at a specific outward angle. This shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards even if a student leans back. This proactively prevents falls and related junior classroom injuries.

Q: Is the Sunshine Yellow pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Juice spills, ink, or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid lemon colour.

Q: Can adults safely sit on these Size 3 chairs?

A: Yes. Despite being dimensioned for children, the powder-coated steel frame is rated for a massive 125kg. This makes it perfectly safe for teaching staff to sit briefly during group work without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel legs. This ensures students cannot loosen the fixings and that the chairs remain a permanent, safe asset in your school.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends. Their lightweight 3.5kg build makes them easy to move for reconfiguration.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school furniture regarding ergonomics, strength, and structural durability.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of manufacturing expertise, we are a trusted partner to UK education. We offer Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for the demands of the UK curriculum.

Overview

Product Overview: Size 3 Yellow Anti-Tilt Junior Seating

The Cobolt Yellow Size 3 Chair provides a sturdy and ergonomically sound foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement required in bustling Year 3 and Year 4 classrooms.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 regulations, the 350mm seat height ensures junior students maintain a healthy lumbar position while keeping feet firmly planted.
  • Circular Economy Asset: Constructed from 100% recyclable polypropylene and steel, this chair supports your institution's carbon reduction targets through its domestic manufacturing.
  • Enhanced Blood Flow: The downward-curved front edge removes pressure points behind the knees, preventing restlessness during tabletop learning sessions.

Institutional Resilience

  • High-Impact Shell: The non-porous yellow shell resists staining from ink and school supplies, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings: We utilize industrial-grade, tamperproof fasteners to lock the shell to the grey steel legs, ensuring a permanent, rattle-free connection.
  • Efficient Space Management: These units are designed for safe vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends.

The Cobolt Standard

  • 50 Years of Manufacturing Heritage: As a trusted public sector partner for half a century, we deliver school furniture that exceeds the most rigorous UK safety benchmarks.
  • Free UK Mainland Delivery: We simplify institutional procurement by absorbing all shipping costs, ensuring your classroom refit project remains strictly on budget.
  • Fifteen-Year Financial Shield: Our extensive structural warranty provides unparalleled asset protection, covering frame welds and plastic shell integrity for over a decade.

Features & Benefits

Where is this Size 3 Yellow Anti-Tilt Chair utilised?

The Yellow Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior Libraries, After-School Clubs, and Primary Learning Hubs. Its adult-strength frame combined with junior-specific proportions makes it an incredibly versatile asset for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – The angled rear legs proactively inhibit students from rocking back, reducing junior classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both the welded steel frame and the high-impact shell.
  • 3.5kg Unit Weight – Robust construction that remains light enough for staff to move and stack with ease.
  • Slate Grey Powder-Coating – A high-quality metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing.
  • High-Impact Polypropylene – The shell is resistant to ink, school chemicals, and staining, allowing for instant sanitisation.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached to the frame.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Junior Schools

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of UK primary education.
  • Free UK Mainland Delivery: We manage the delivery of school orders at no extra cost, ensuring your project remains within allocated budgets.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Reliable Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Safety & Warranty

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a crucial design feature for active learners, shifting the balance point to proactively prevent dangerous "chair swinging" habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (350mm) is perfectly scaled for the 6-8 year old stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended seated learning or tabletop activities.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the powder-coated grey legs.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

Specification Dimensions

The Size 3 Yellow Anti-Tilt Chair combines certified junior ergonomics with a heavy-duty safety frame. These specifications detail the materials and dimensions that make it the responsible choice for Key Stage 2 classrooms.

Target Ages
6-8 Years (Size 3)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Purpose / Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal thigh support for junior students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Balanced classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Material
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Sustainability
100% Recyclable
Eco-friendly product lifecycle

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Junior Seating Specialist Advice

Q: Is a "Size 3" chair correct for Year 3 and Year 4 students?

A: Size 3 (350mm seat height) is the ergonomic standard for children aged 6 to 8 years. It ensures that junior students can sit with a flat-footed stance, essential for maintaining healthy sitting habits during their primary education.

Q: How does the "Anti-Tilt" geometry proactively prevent falls?

A: The rear legs are set at a specific outward angle. This shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards even if a student leans back. This proactively prevents falls and related junior classroom injuries.

Q: Is the Sunshine Yellow pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Juice spills, ink, or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid lemon colour.

Q: Can adults safely sit on these Size 3 chairs?

A: Yes. Despite being dimensioned for children, the powder-coated steel frame is rated for a massive 125kg. This makes it perfectly safe for teaching staff to sit briefly during group work without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel legs. This ensures students cannot loosen the fixings and that the chairs remain a permanent, safe asset in your school.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends. Their lightweight 3.5kg build makes them easy to move for reconfiguration.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school furniture regarding ergonomics, strength, and structural durability.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of manufacturing expertise, we are a trusted partner to UK education. We offer Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for the demands of the UK curriculum.

Yellow Anti-Tilt Junior School Chair - Size 3 - 6-8 Years - Grey Legs

Product code: CH43YE
Infuse your middle-primary learning spaces with a sense of optimism and energy using the Cobolt Sunshine Yellow Polypropylene Anti-Tilt Chair (Size 3 ...

Inc VAT

Exc VAT

£52.00

£43.33

Colours - Yellow
Age - 6-8 Years

Request a Quote

You can add multiple configured items and submit once.

How it works
  1. Select all required options — Choose your size, finish, edge colour, frame colour, and any add-ons.
  2. Add to your Quote Basket — Click "Request Quote" to save this exact configuration.
  3. Keep adding items — Add as many products, sizes, or colour options as you need. Each item is saved separately in your Quote Basket.
  4. Submit once — Submit the Quote Basket one time — we'll receive everything together.
In Stock - UK Dispatch

Fast Tracked Dispatch Predictable. Reliable. Hassle-free.

UK Customer Support Expert guidance. Real people.

Trusted UK Supplier 50 years. Established. Reliable.

Free UK Mainland Delivery Clear. Upfront pricing.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 3 Yellow Anti-Tilt Junior Seating

The Cobolt Yellow Size 3 Chair provides a sturdy and ergonomically sound foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement required in bustling Year 3 and Year 4 classrooms.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 regulations, the 350mm seat height ensures junior students maintain a healthy lumbar position while keeping feet firmly planted.
  • Circular Economy Asset: Constructed from 100% recyclable polypropylene and steel, this chair supports your institution's carbon reduction targets through its domestic manufacturing.
  • Enhanced Blood Flow: The downward-curved front edge removes pressure points behind the knees, preventing restlessness during tabletop learning sessions.

Institutional Resilience

  • High-Impact Shell: The non-porous yellow shell resists staining from ink and school supplies, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings: We utilize industrial-grade, tamperproof fasteners to lock the shell to the grey steel legs, ensuring a permanent, rattle-free connection.
  • Efficient Space Management: These units are designed for safe vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends.

The Cobolt Standard

  • 50 Years of Manufacturing Heritage: As a trusted public sector partner for half a century, we deliver school furniture that exceeds the most rigorous UK safety benchmarks.
  • Free UK Mainland Delivery: We simplify institutional procurement by absorbing all shipping costs, ensuring your classroom refit project remains strictly on budget.
  • Fifteen-Year Financial Shield: Our extensive structural warranty provides unparalleled asset protection, covering frame welds and plastic shell integrity for over a decade.

Where is this Size 3 Yellow Anti-Tilt Chair utilised?

The Yellow Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior Libraries, After-School Clubs, and Primary Learning Hubs. Its adult-strength frame combined with junior-specific proportions makes it an incredibly versatile asset for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – The angled rear legs proactively inhibit students from rocking back, reducing junior classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both the welded steel frame and the high-impact shell.
  • 3.5kg Unit Weight – Robust construction that remains light enough for staff to move and stack with ease.
  • Slate Grey Powder-Coating – A high-quality metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing.
  • High-Impact Polypropylene – The shell is resistant to ink, school chemicals, and staining, allowing for instant sanitisation.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached to the frame.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Junior Schools

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of UK primary education.
  • Free UK Mainland Delivery: We manage the delivery of school orders at no extra cost, ensuring your project remains within allocated budgets.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Reliable Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a crucial design feature for active learners, shifting the balance point to proactively prevent dangerous "chair swinging" habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (350mm) is perfectly scaled for the 6-8 year old stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended seated learning or tabletop activities.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the powder-coated grey legs.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

The Size 3 Yellow Anti-Tilt Chair combines certified junior ergonomics with a heavy-duty safety frame. These specifications detail the materials and dimensions that make it the responsible choice for Key Stage 2 classrooms.

Target Ages
6-8 Years (Size 3)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Purpose / Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal thigh support for junior students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Balanced classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Material
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Sustainability
100% Recyclable
Eco-friendly product lifecycle

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: Junior Seating Specialist Advice

Q: Is a "Size 3" chair correct for Year 3 and Year 4 students?

A: Size 3 (350mm seat height) is the ergonomic standard for children aged 6 to 8 years. It ensures that junior students can sit with a flat-footed stance, essential for maintaining healthy sitting habits during their primary education.

Q: How does the "Anti-Tilt" geometry proactively prevent falls?

A: The rear legs are set at a specific outward angle. This shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards even if a student leans back. This proactively prevents falls and related junior classroom injuries.

Q: Is the Sunshine Yellow pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Juice spills, ink, or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid lemon colour.

Q: Can adults safely sit on these Size 3 chairs?

A: Yes. Despite being dimensioned for children, the powder-coated steel frame is rated for a massive 125kg. This makes it perfectly safe for teaching staff to sit briefly during group work without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel legs. This ensures students cannot loosen the fixings and that the chairs remain a permanent, safe asset in your school.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends. Their lightweight 3.5kg build makes them easy to move for reconfiguration.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school furniture regarding ergonomics, strength, and structural durability.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of manufacturing expertise, we are a trusted partner to UK education. We offer Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for the demands of the UK curriculum.

Overview

Product Overview: Size 3 Yellow Anti-Tilt Junior Seating

The Cobolt Yellow Size 3 Chair provides a sturdy and ergonomically sound foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement required in bustling Year 3 and Year 4 classrooms.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 regulations, the 350mm seat height ensures junior students maintain a healthy lumbar position while keeping feet firmly planted.
  • Circular Economy Asset: Constructed from 100% recyclable polypropylene and steel, this chair supports your institution's carbon reduction targets through its domestic manufacturing.
  • Enhanced Blood Flow: The downward-curved front edge removes pressure points behind the knees, preventing restlessness during tabletop learning sessions.

Institutional Resilience

  • High-Impact Shell: The non-porous yellow shell resists staining from ink and school supplies, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings: We utilize industrial-grade, tamperproof fasteners to lock the shell to the grey steel legs, ensuring a permanent, rattle-free connection.
  • Efficient Space Management: These units are designed for safe vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends.

The Cobolt Standard

  • 50 Years of Manufacturing Heritage: As a trusted public sector partner for half a century, we deliver school furniture that exceeds the most rigorous UK safety benchmarks.
  • Free UK Mainland Delivery: We simplify institutional procurement by absorbing all shipping costs, ensuring your classroom refit project remains strictly on budget.
  • Fifteen-Year Financial Shield: Our extensive structural warranty provides unparalleled asset protection, covering frame welds and plastic shell integrity for over a decade.

Features & Benefits

Where is this Size 3 Yellow Anti-Tilt Chair utilised?

The Yellow Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior Libraries, After-School Clubs, and Primary Learning Hubs. Its adult-strength frame combined with junior-specific proportions makes it an incredibly versatile asset for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – The angled rear legs proactively inhibit students from rocking back, reducing junior classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Industry-leading warranty covering both the welded steel frame and the high-impact shell.
  • 3.5kg Unit Weight – Robust construction that remains light enough for staff to move and stack with ease.
  • Slate Grey Powder-Coating – A high-quality metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing.
  • High-Impact Polypropylene – The shell is resistant to ink, school chemicals, and staining, allowing for instant sanitisation.
  • Tamperproof Shell Fasteners – Secured fixings ensure the seat remains permanently and safely attached to the frame.
Warranty icon
15-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
Made in UK

Cobolt Service: Partnering with UK Junior Schools

  • 50 Years of Expertise: We understand the specific durability and hygiene needs of UK primary education.
  • Free UK Mainland Delivery: We manage the delivery of school orders at no extra cost, ensuring your project remains within allocated budgets.
  • Sustainability Goals: Our domestic manufacturing and 100% recyclable materials support your institution's carbon reduction targets.
  • Reliable Support: Our UK-based team is available to help bursars and estates managers select the correct sizing for their specific demographics.

Safety & Warranty

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a crucial design feature for active learners, shifting the balance point to proactively prevent dangerous "chair swinging" habits.
  • Strict adherence to BS EN1729 Compliance ensures the seat height (350mm) is perfectly scaled for the 6-8 year old stature, promoting healthy spinal habits.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended seated learning or tabletop activities.
  • Industrial-grade Tamperproof fasteners provide a permanent, rattle-free connection between the polypropylene seat and the powder-coated grey legs.
  • Every unit is backed by a 15-year manufacturer's guarantee, covering structural frame integrity and shell defects for long-term reliability.

Specification Dimensions

The Size 3 Yellow Anti-Tilt Chair combines certified junior ergonomics with a heavy-duty safety frame. These specifications detail the materials and dimensions that make it the responsible choice for Key Stage 2 classrooms.

Target Ages
6-8 Years (Size 3)
Material
100% Polypropylene
Guarantee
15 Years
Specification
Details
Purpose / Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal thigh support for junior students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Balanced classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Material
Powder Coated Grey Steel
Vandal and scratch resistant finish
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Sustainability
100% Recyclable
Eco-friendly product lifecycle

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: Junior Seating Specialist Advice

Q: Is a "Size 3" chair correct for Year 3 and Year 4 students?

A: Size 3 (350mm seat height) is the ergonomic standard for children aged 6 to 8 years. It ensures that junior students can sit with a flat-footed stance, essential for maintaining healthy sitting habits during their primary education.

Q: How does the "Anti-Tilt" geometry proactively prevent falls?

A: The rear legs are set at a specific outward angle. This shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards even if a student leans back. This proactively prevents falls and related junior classroom injuries.

Q: Is the Sunshine Yellow pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Juice spills, ink, or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid lemon colour.

Q: Can adults safely sit on these Size 3 chairs?

A: Yes. Despite being dimensioned for children, the powder-coated steel frame is rated for a massive 125kg. This makes it perfectly safe for teaching staff to sit briefly during group work without structural risk.

Q: Are the seats tamper-proof to prevent interference?

A: Absolutely. We use industrial-grade tamperproof fasteners to secure the shell to the grey steel legs. This ensures students cannot loosen the fixings and that the chairs remain a permanent, safe asset in your school.

Q: How easy are these chairs to store during cleaning?

A: These chairs are designed for vertical stacking, allowing cleaning staff to clear floor space efficiently after the school day ends. Their lightweight 3.5kg build makes them easy to move for reconfiguration.

Q: Does this chair comply with fire and safety regulations?

A: Yes, it is fully compliant with BS EN1729 Parts 1 & 2, which are the specific standards for UK school furniture regarding ergonomics, strength, and structural durability.

Q: Why purchase from Cobolt Furniture?

A: With 50 years of manufacturing expertise, we are a trusted partner to UK education. We offer Free UK Mainland Delivery, expert product knowledge, and furniture built specifically for the demands of the UK curriculum.

You may also like

Recently Viewed