A bright red classroom chair engineered with a flexible high-back for spinal support and a secure leg base to prevent backward tilting.
Vividly coloured student chair featuring a gas-injected shell for extra strength and a protective grey coating on the metal underframe.
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 Red Anti-Tilt Junior Seating

The Cobolt Red Size 3 Chair provides a sturdy and ergonomically sound foundation for students transitioning through the junior age group. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement of a modern Year 3 or 4 classroom.

Junior Ergonomics & Sustainability

  • KS2 Posture Support: Adhering to Size 3 EN1729 standards, the 350mm seat height ensures junior students maintain a healthy lumbar position with a stable, flat-footed stance.
  • Circulation-Friendly Design: The downward-curved front edge removes pressure points behind the knees, reducing restlessness during tabletop tasks.
  • Circular Economy Asset: Constructed from 100% recyclable components, this chair supports your school’s environmental targets and reduces long-term landfill impact.

Structural Durability

Junior classroom furniture must be exceptionally resilient. We utilize industrial-grade, tamperproof fixings to lock the shell to the grey steel frame, ensuring a permanent, rattle-free experience that resists daily vandalism.

The Cobolt Standard

  • 50 Years of Expertise: As a heritage partner to UK education for half a century, we deliver furniture that exceeds the most rigorous safety and compliance benchmarks.
  • Free UK Mainland Delivery: We simplify procurement by including all shipping costs in our base price, ensuring your classroom refit stays strictly on budget.
  • Mechanical Preventative Safety: The specialized rear leg profile acts as a physical safeguard, shifting the balance point to discourage "chair swinging" habits in active children.

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

The Red Size 3 Junior Chair is the primary specification for Key Stage 2 Classrooms, Primary School Libraries, After-School Learning Zones, and Junior IT Suites. Its adult-strength frame paired with junior-specific proportions makes it a versatile solution for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – Angled rear legs proactively inhibit students from rocking back, significantly reducing classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Comprehensive warranty covering both the welded frame and the high-impact plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains light enough for staff to move and stack with ease.
  • Grey Powder-Coated Steel – A slate-tone finish that resists scratches, scuffs, and heavy daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing for cleaning.
  • Non-Porous Polypropylene – The shell resists ink, chemicals, and staining, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings – Tamperproof fasteners 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

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a critical design feature for energetic junior 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 alignment.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended tabletop learning or group 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 Red 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 middle-primary 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 Years 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal surface area for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Compact classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Finish
Slate Grey Powder Coated Steel
Vandal and scratch resistant finish
Weight Limit
125kg (19.6 stone)
Superior structural resilience
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Domestic quality control 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: Sourcing Junior Classroom Seating

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 correct sitting habits during the primary curriculum.

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 Poppy Red 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 crimson 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 vandalism?

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 expertise, we are a trusted heritage 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 Red Anti-Tilt Junior Seating

The Cobolt Red Size 3 Chair provides a sturdy and ergonomically sound foundation for students transitioning through the junior age group. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement of a modern Year 3 or 4 classroom.

Junior Ergonomics & Sustainability

  • KS2 Posture Support: Adhering to Size 3 EN1729 standards, the 350mm seat height ensures junior students maintain a healthy lumbar position with a stable, flat-footed stance.
  • Circulation-Friendly Design: The downward-curved front edge removes pressure points behind the knees, reducing restlessness during tabletop tasks.
  • Circular Economy Asset: Constructed from 100% recyclable components, this chair supports your school’s environmental targets and reduces long-term landfill impact.

Structural Durability

Junior classroom furniture must be exceptionally resilient. We utilize industrial-grade, tamperproof fixings to lock the shell to the grey steel frame, ensuring a permanent, rattle-free experience that resists daily vandalism.

The Cobolt Standard

  • 50 Years of Expertise: As a heritage partner to UK education for half a century, we deliver furniture that exceeds the most rigorous safety and compliance benchmarks.
  • Free UK Mainland Delivery: We simplify procurement by including all shipping costs in our base price, ensuring your classroom refit stays strictly on budget.
  • Mechanical Preventative Safety: The specialized rear leg profile acts as a physical safeguard, shifting the balance point to discourage "chair swinging" habits in active children.

Features & Benefits

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

The Red Size 3 Junior Chair is the primary specification for Key Stage 2 Classrooms, Primary School Libraries, After-School Learning Zones, and Junior IT Suites. Its adult-strength frame paired with junior-specific proportions makes it a versatile solution for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – Angled rear legs proactively inhibit students from rocking back, significantly reducing classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Comprehensive warranty covering both the welded frame and the high-impact plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains light enough for staff to move and stack with ease.
  • Grey Powder-Coated Steel – A slate-tone finish that resists scratches, scuffs, and heavy daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing for cleaning.
  • Non-Porous Polypropylene – The shell resists ink, chemicals, and staining, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings – Tamperproof fasteners 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

Safety & Warranty

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a critical design feature for energetic junior 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 alignment.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended tabletop learning or group 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 Red 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 middle-primary 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 Years 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal surface area for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Compact classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Finish
Slate Grey Powder Coated Steel
Vandal and scratch resistant finish
Weight Limit
125kg (19.6 stone)
Superior structural resilience
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Domestic quality control 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: Sourcing Junior Classroom Seating

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 correct sitting habits during the primary curriculum.

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 Poppy Red 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 crimson 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 vandalism?

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

Red Classic Polypropylene Anti-Tilt School Chair - Size 3 - 6-8 Years

Product code: CH43RE
Brighten your middle-primary learning spaces with the Cobolt Crimson Polypropylene Anti-Tilt Chair (Size 3 / 6-8 Years). Specifically engineered for s...

Inc VAT

Exc VAT

£52.00

£43.33

Colours - Red
Age - 6-8 Years

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UK Customer Support Expert guidance. Real people.

Trusted UK Supplier 50 years. Established. Reliable.

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 3 Red Anti-Tilt Junior Seating

The Cobolt Red Size 3 Chair provides a sturdy and ergonomically sound foundation for students transitioning through the junior age group. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement of a modern Year 3 or 4 classroom.

Junior Ergonomics & Sustainability

  • KS2 Posture Support: Adhering to Size 3 EN1729 standards, the 350mm seat height ensures junior students maintain a healthy lumbar position with a stable, flat-footed stance.
  • Circulation-Friendly Design: The downward-curved front edge removes pressure points behind the knees, reducing restlessness during tabletop tasks.
  • Circular Economy Asset: Constructed from 100% recyclable components, this chair supports your school’s environmental targets and reduces long-term landfill impact.

Structural Durability

Junior classroom furniture must be exceptionally resilient. We utilize industrial-grade, tamperproof fixings to lock the shell to the grey steel frame, ensuring a permanent, rattle-free experience that resists daily vandalism.

The Cobolt Standard

  • 50 Years of Expertise: As a heritage partner to UK education for half a century, we deliver furniture that exceeds the most rigorous safety and compliance benchmarks.
  • Free UK Mainland Delivery: We simplify procurement by including all shipping costs in our base price, ensuring your classroom refit stays strictly on budget.
  • Mechanical Preventative Safety: The specialized rear leg profile acts as a physical safeguard, shifting the balance point to discourage "chair swinging" habits in active children.

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

The Red Size 3 Junior Chair is the primary specification for Key Stage 2 Classrooms, Primary School Libraries, After-School Learning Zones, and Junior IT Suites. Its adult-strength frame paired with junior-specific proportions makes it a versatile solution for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – Angled rear legs proactively inhibit students from rocking back, significantly reducing classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Comprehensive warranty covering both the welded frame and the high-impact plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains light enough for staff to move and stack with ease.
  • Grey Powder-Coated Steel – A slate-tone finish that resists scratches, scuffs, and heavy daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing for cleaning.
  • Non-Porous Polypropylene – The shell resists ink, chemicals, and staining, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings – Tamperproof fasteners 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

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a critical design feature for energetic junior 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 alignment.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended tabletop learning or group 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 Red 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 middle-primary 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 Years 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal surface area for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Compact classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Finish
Slate Grey Powder Coated Steel
Vandal and scratch resistant finish
Weight Limit
125kg (19.6 stone)
Superior structural resilience
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Domestic quality control 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: Sourcing Junior Classroom Seating

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 correct sitting habits during the primary curriculum.

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 Poppy Red 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 crimson 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 vandalism?

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 expertise, we are a trusted heritage 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 Red Anti-Tilt Junior Seating

The Cobolt Red Size 3 Chair provides a sturdy and ergonomically sound foundation for students transitioning through the junior age group. Dispatched with Free UK Mainland Delivery, it is built to survive the high-frequency cleaning and constant movement of a modern Year 3 or 4 classroom.

Junior Ergonomics & Sustainability

  • KS2 Posture Support: Adhering to Size 3 EN1729 standards, the 350mm seat height ensures junior students maintain a healthy lumbar position with a stable, flat-footed stance.
  • Circulation-Friendly Design: The downward-curved front edge removes pressure points behind the knees, reducing restlessness during tabletop tasks.
  • Circular Economy Asset: Constructed from 100% recyclable components, this chair supports your school’s environmental targets and reduces long-term landfill impact.

Structural Durability

Junior classroom furniture must be exceptionally resilient. We utilize industrial-grade, tamperproof fixings to lock the shell to the grey steel frame, ensuring a permanent, rattle-free experience that resists daily vandalism.

The Cobolt Standard

  • 50 Years of Expertise: As a heritage partner to UK education for half a century, we deliver furniture that exceeds the most rigorous safety and compliance benchmarks.
  • Free UK Mainland Delivery: We simplify procurement by including all shipping costs in our base price, ensuring your classroom refit stays strictly on budget.
  • Mechanical Preventative Safety: The specialized rear leg profile acts as a physical safeguard, shifting the balance point to discourage "chair swinging" habits in active children.

Features & Benefits

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

The Red Size 3 Junior Chair is the primary specification for Key Stage 2 Classrooms, Primary School Libraries, After-School Learning Zones, and Junior IT Suites. Its adult-strength frame paired with junior-specific proportions makes it a versatile solution for diverse educational settings.

Key Features

  • Anti-Tilt Safety Frame – Angled rear legs proactively inhibit students from rocking back, significantly reducing classroom accidents.
  • Size 3 (6-8 Years) – Precision-engineered 350mm seat height for the middle primary age demographic.
  • 15-Year Structural Guarantee – Comprehensive warranty covering both the welded frame and the high-impact plastic shell.
  • 3.5kg Unit Weight – Exceptionally strong construction that remains light enough for staff to move and stack with ease.
  • Grey Powder-Coated Steel – A slate-tone finish that resists scratches, scuffs, and heavy daily wear.
  • Stackable Architecture – Efficient vertical stacking allows for easy classroom reconfiguration and floor clearing for cleaning.
  • Non-Porous Polypropylene – The shell resists ink, chemicals, and staining, allowing for instant sanitisation with standard cleaners.
  • Vandal-Resistant Fixings – Tamperproof fasteners 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

Safety & Warranty

Junior Safety Engineering. Guaranteed Performance.

  • The Anti-Tilt rear geometry is a critical design feature for energetic junior 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 alignment.
  • The Waterfall Seat Front eliminates hard edges behind the knees, maintaining healthy circulation during extended tabletop learning or group 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 Red 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 middle-primary 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 Years 3 & 4
Seat Dimensions
370mm (W) x 300mm (D)
Optimal surface area for KS2 students
Total Dimensions
670mm(H) x 410mm(W) x 470mm(D)
Compact classroom footprint
Unit Weight
3.5kg
Robust yet easy to move for staff
Frame Finish
Slate Grey Powder Coated Steel
Vandal and scratch resistant finish
Weight Limit
125kg (19.6 stone)
Superior structural resilience
Compliance
BS EN1729 Compliant
Certified ergonomic and structural safety
Origin
Manufactured in UK
Domestic quality control 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: Sourcing Junior Classroom Seating

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 correct sitting habits during the primary curriculum.

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 Poppy Red 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 crimson 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 vandalism?

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

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