A dark green ergonomic school chair with a stain-resistant polypropylene shell and a sturdy grey frame built for high-use educational environments.
Vibrant emerald green classroom seat featuring non-marking floor glides and a safety-focused leg design to ensure student stability during lessons.
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 Green Anti-Tilt Junior Seating

The Cobolt Green Size 3 Chair delivers a resilient and ergonomically optimized foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is engineered to withstand the rigorous cleaning schedules and constant movement typical of Year 3 and Year 4 environments.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 criteria, the 350mm seat height ensures junior learners maintain healthy spinal alignment with their feet planted firmly.
  • Circular Economy Ready: Produced from 100% recyclable polypropylene and steel, this chair supports your school's green initiatives and environmental responsibility.
  • Restlessness Reduction: The downward-sloping seat front removes pressure points behind the knees, encouraging better circulation during tabletop tasks.

Institutional Durability

  • Stain-Resistant Shell: The non-porous green polypropylene surface resists ink, paints, and spillages, allowing for effortless sanitisation.
  • Security Fixings: We utilize industrial-strength, tamperproof fasteners to link the shell to the grey frame, ensuring a permanent, rattle-free experience.
  • Vertical Storage: These units stack efficiently, allowing facilities staff to clear floor space rapidly for cleaning or multi-use activities.

The Cobolt Standard

  • Half a Century of Trust: With 50 years of manufacturing history, we provide educational furniture that sets the benchmark for British safety and structural quality.
  • Zero-Cost Shipping: Our Free UK Mainland Delivery policy ensures transparent budgeting by removing all logistics surcharges from your procurement.
  • Fifteen-Year Financial Shield: We back our craftsmanship with a 15-year warranty, securing your furniture investment for a decade and a half of heavy classroom use.

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

The Green Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior School Libraries, After-School Clubs, and Community Learning Hubs. Its robust frame paired with junior-specific dimensions makes it a versatile solution for diverse primary educational settings.

Key Features

  • Anti-Tilt Safety Leg Profile – The angled rear frame inhibits students from rocking back, significantly reducing classroom falls.
  • 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 chassis and the plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains manageable for staff to move and stack.
  • Grey Powder-Coated Steel – A slate-tone metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and space management.
  • High-Impact Polypropylene – The shell is resistant to school chemicals and staining, allowing for instant wipe-down hygiene.
  • Vandal-Resistant 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 estates.
  • 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 student 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 tipping 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 Green 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
Institutional Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Precision sized for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Optimal 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
Origin
UK Manufactured
Quality assurance and low carbon impact

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 my 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, which is essential for maintaining healthy sitting habits during Key Stage 2.

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

A: Active junior students are often prone to rocking on their chairs. The angled rear frame shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards, thereby proactively preventing accidents.

Q: Is the Emerald Green pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Spills from common school supplies like ink or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid green 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 high can these chairs be safely stacked?

A: These units are designed for safe 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 modern curriculum.

Overview

Product Overview: Size 3 Green Anti-Tilt Junior Seating

The Cobolt Green Size 3 Chair delivers a resilient and ergonomically optimized foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is engineered to withstand the rigorous cleaning schedules and constant movement typical of Year 3 and Year 4 environments.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 criteria, the 350mm seat height ensures junior learners maintain healthy spinal alignment with their feet planted firmly.
  • Circular Economy Ready: Produced from 100% recyclable polypropylene and steel, this chair supports your school's green initiatives and environmental responsibility.
  • Restlessness Reduction: The downward-sloping seat front removes pressure points behind the knees, encouraging better circulation during tabletop tasks.

Institutional Durability

  • Stain-Resistant Shell: The non-porous green polypropylene surface resists ink, paints, and spillages, allowing for effortless sanitisation.
  • Security Fixings: We utilize industrial-strength, tamperproof fasteners to link the shell to the grey frame, ensuring a permanent, rattle-free experience.
  • Vertical Storage: These units stack efficiently, allowing facilities staff to clear floor space rapidly for cleaning or multi-use activities.

The Cobolt Standard

  • Half a Century of Trust: With 50 years of manufacturing history, we provide educational furniture that sets the benchmark for British safety and structural quality.
  • Zero-Cost Shipping: Our Free UK Mainland Delivery policy ensures transparent budgeting by removing all logistics surcharges from your procurement.
  • Fifteen-Year Financial Shield: We back our craftsmanship with a 15-year warranty, securing your furniture investment for a decade and a half of heavy classroom use.

Features & Benefits

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

The Green Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior School Libraries, After-School Clubs, and Community Learning Hubs. Its robust frame paired with junior-specific dimensions makes it a versatile solution for diverse primary educational settings.

Key Features

  • Anti-Tilt Safety Leg Profile – The angled rear frame inhibits students from rocking back, significantly reducing classroom falls.
  • 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 chassis and the plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains manageable for staff to move and stack.
  • Grey Powder-Coated Steel – A slate-tone metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and space management.
  • High-Impact Polypropylene – The shell is resistant to school chemicals and staining, allowing for instant wipe-down hygiene.
  • Vandal-Resistant 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 estates.
  • 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 student 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 tipping 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 Green 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
Institutional Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Precision sized for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Optimal 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
Origin
UK Manufactured
Quality assurance and low carbon impact

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 my 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, which is essential for maintaining healthy sitting habits during Key Stage 2.

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

A: Active junior students are often prone to rocking on their chairs. The angled rear frame shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards, thereby proactively preventing accidents.

Q: Is the Emerald Green pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Spills from common school supplies like ink or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid green 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 high can these chairs be safely stacked?

A: These units are designed for safe 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 modern curriculum.

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

Product code: CH43GR
Invite a sense of natural focus and vitality into your junior classrooms with the Cobolt Emerald Green Polypropylene Anti-Tilt Chair (Size 3 / 6-8 Yea...

Inc VAT

Exc VAT

£52.00

£43.33

Colours - Lime Green
Age - 6-8 Years

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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 Green Anti-Tilt Junior Seating

The Cobolt Green Size 3 Chair delivers a resilient and ergonomically optimized foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is engineered to withstand the rigorous cleaning schedules and constant movement typical of Year 3 and Year 4 environments.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 criteria, the 350mm seat height ensures junior learners maintain healthy spinal alignment with their feet planted firmly.
  • Circular Economy Ready: Produced from 100% recyclable polypropylene and steel, this chair supports your school's green initiatives and environmental responsibility.
  • Restlessness Reduction: The downward-sloping seat front removes pressure points behind the knees, encouraging better circulation during tabletop tasks.

Institutional Durability

  • Stain-Resistant Shell: The non-porous green polypropylene surface resists ink, paints, and spillages, allowing for effortless sanitisation.
  • Security Fixings: We utilize industrial-strength, tamperproof fasteners to link the shell to the grey frame, ensuring a permanent, rattle-free experience.
  • Vertical Storage: These units stack efficiently, allowing facilities staff to clear floor space rapidly for cleaning or multi-use activities.

The Cobolt Standard

  • Half a Century of Trust: With 50 years of manufacturing history, we provide educational furniture that sets the benchmark for British safety and structural quality.
  • Zero-Cost Shipping: Our Free UK Mainland Delivery policy ensures transparent budgeting by removing all logistics surcharges from your procurement.
  • Fifteen-Year Financial Shield: We back our craftsmanship with a 15-year warranty, securing your furniture investment for a decade and a half of heavy classroom use.

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

The Green Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior School Libraries, After-School Clubs, and Community Learning Hubs. Its robust frame paired with junior-specific dimensions makes it a versatile solution for diverse primary educational settings.

Key Features

  • Anti-Tilt Safety Leg Profile – The angled rear frame inhibits students from rocking back, significantly reducing classroom falls.
  • 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 chassis and the plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains manageable for staff to move and stack.
  • Grey Powder-Coated Steel – A slate-tone metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and space management.
  • High-Impact Polypropylene – The shell is resistant to school chemicals and staining, allowing for instant wipe-down hygiene.
  • Vandal-Resistant 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 estates.
  • 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 student 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 tipping 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 Green 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
Institutional Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Precision sized for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Optimal 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
Origin
UK Manufactured
Quality assurance and low carbon impact

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 my 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, which is essential for maintaining healthy sitting habits during Key Stage 2.

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

A: Active junior students are often prone to rocking on their chairs. The angled rear frame shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards, thereby proactively preventing accidents.

Q: Is the Emerald Green pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Spills from common school supplies like ink or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid green 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 high can these chairs be safely stacked?

A: These units are designed for safe 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 modern curriculum.

Overview

Product Overview: Size 3 Green Anti-Tilt Junior Seating

The Cobolt Green Size 3 Chair delivers a resilient and ergonomically optimized foundation for students aged 6 to 8 years. Dispatched with Free UK Mainland Delivery, it is engineered to withstand the rigorous cleaning schedules and constant movement typical of Year 3 and Year 4 environments.

Junior Posture & Sustainability

  • KS2 Ergonomic Standards: Adhering to Size 3 EN1729 criteria, the 350mm seat height ensures junior learners maintain healthy spinal alignment with their feet planted firmly.
  • Circular Economy Ready: Produced from 100% recyclable polypropylene and steel, this chair supports your school's green initiatives and environmental responsibility.
  • Restlessness Reduction: The downward-sloping seat front removes pressure points behind the knees, encouraging better circulation during tabletop tasks.

Institutional Durability

  • Stain-Resistant Shell: The non-porous green polypropylene surface resists ink, paints, and spillages, allowing for effortless sanitisation.
  • Security Fixings: We utilize industrial-strength, tamperproof fasteners to link the shell to the grey frame, ensuring a permanent, rattle-free experience.
  • Vertical Storage: These units stack efficiently, allowing facilities staff to clear floor space rapidly for cleaning or multi-use activities.

The Cobolt Standard

  • Half a Century of Trust: With 50 years of manufacturing history, we provide educational furniture that sets the benchmark for British safety and structural quality.
  • Zero-Cost Shipping: Our Free UK Mainland Delivery policy ensures transparent budgeting by removing all logistics surcharges from your procurement.
  • Fifteen-Year Financial Shield: We back our craftsmanship with a 15-year warranty, securing your furniture investment for a decade and a half of heavy classroom use.

Features & Benefits

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

The Green Size 3 Junior Chair is the primary specification for Year 3 and Year 4 Classrooms, Junior School Libraries, After-School Clubs, and Community Learning Hubs. Its robust frame paired with junior-specific dimensions makes it a versatile solution for diverse primary educational settings.

Key Features

  • Anti-Tilt Safety Leg Profile – The angled rear frame inhibits students from rocking back, significantly reducing classroom falls.
  • 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 chassis and the plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains manageable for staff to move and stack.
  • Grey Powder-Coated Steel – A slate-tone metallic finish that resists scratches, scuffs, and daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and space management.
  • High-Impact Polypropylene – The shell is resistant to school chemicals and staining, allowing for instant wipe-down hygiene.
  • Vandal-Resistant 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 estates.
  • 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 student 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 tipping 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 Green 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
Institutional Benefit
Seat Height
350mm
Standard Size 3 for Year 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Precision sized for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Optimal 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
Origin
UK Manufactured
Quality assurance and low carbon impact

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 my 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, which is essential for maintaining healthy sitting habits during Key Stage 2.

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

A: Active junior students are often prone to rocking on their chairs. The angled rear frame shifts the leverage point further back, making it mechanically difficult for the chair to tip backwards, thereby proactively preventing accidents.

Q: Is the Emerald Green pigment resistant to staining?

A: Yes. The high-grade polypropylene shell is non-porous. Spills from common school supplies like ink or paints cannot penetrate the surface and can be wiped away easily without leaving residues or fading the vivid green 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 high can these chairs be safely stacked?

A: These units are designed for safe 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 modern curriculum.

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