Bright red plastic chair with contoured seat and top handle cutout, designed for preschool and early years use.
Red plastic chair with curved seat and backrest, top-handle slot, and stable angled legs for educational use.
Feature graphic of red chair with ergonomic contouring and tags for compliance, scratch resistance, UK origin, and 20-year warranty.
Updated chair size chart showing age ranges, seat dimensions, and colour-coded foot indicators for nursery to adult use, with detailed popliteal and stature ranges.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 4 Red One-Piece Primary Chair

The Cobolt Flora One-Piece range is the ultimate solution for high-traffic senior primary school settings. Dispatched with Free UK Mainland Delivery, this Size 4 model provides a maintenance-free, hygienic seating solution built to last through the final years of primary education.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to survive the robust daily use of Key Stage 2 environments.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it the most hygienic choice for school dining halls and busy classrooms.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting students and ensuring no snagged school blazers or loose hardware.

Ergonomics & Sustainability

  • Posture Support: Specifically scaled for the 8-11 age demographic (Size 4), the shell encourages a natural seated position to aid concentration and spinal health.
  • Eco-Responsible: FSC approved and 100% recyclable. At the end of its extensive service life, the chair can be fully recycled as a single material without disassembly.
  • Staff Efficiency: Colour-coded anti-slip feet correspond to the Size 4 standard, allowing site teams to instantly organize furniture by age group.

Heavy Duty Engineering

Designed for the rigours of senior primary education, this chair combines a lightweight profile (2.52kg) for easy handling by students with an extra-strong undercarriage for maximum stability. The single-mould process ensures that there are no weak points at the joints, where traditional metal-framed chairs often fail under the weight of older children.

The Cobolt Standard

  • 50 Years of Expertise: We have spent five decades supplying the UK public sector, ensuring every chair meets the highest benchmarks for safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a budget-friendly experience for your school.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Where is this Size 4 One-Piece Chair used?

The Red One-Piece Primary Chair is a popular specification for Year 4, 5 & 6 Classrooms, Academy Dining Halls, ICT Suites, and School Libraries. Its robust, waterproof design makes it a versatile asset for both learning and communal areas.

Key Features

  • One-Piece Moulded Design – Zero joints or screws for maximum structural integrity.
  • 20-Year Warranty – Our most extensive guarantee for long-term peace of mind.
  • Size 4 (8-11 Years) – Correct ergonomic scaling for senior primary students.
  • Lightweight (2.52kg) – Easy for students to move safely and for staff to stack.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in multi-use school halls.
  • Anti-Slip Feet – Colour-coded for easy age-group identification.
  • BS EN1729 Compliant – Tested to the highest standards for strength and stability.
20 Year Warranty icon
20-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Responsibly Recyclable

Safety Engineered. Maintenance Free.

  • The Integrated One-Piece Design is the safest architectural choice for schools, as it eliminates the screws, bolts, and metal edges found in traditional chairs.
  • A Reinforced Undercarriage provides enhanced structural lifespan, ensuring the chair can withstand the energetic daily use of Year 4 to Year 6 pupils.
  • Compliance with BS EN1729 Parts 1 & 2 guarantees that the chair meets strict UK standards for stability, strength, and ergonomic sizing.
  • The 20-Year Manufacturer Warranty is an industry-leading commitment, ensuring your school’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on classroom floors and preventing the chair from sliding during active use.

The Size 4 Red One-Piece Chair combines indestructible construction with certified ergonomic support. These specifications detail the materials and dimensions that make it the responsible choice for senior primary education.

Age Group
8-11 Years (Size 4)
Weight
2.52kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Standard Size 4 for Year 4 / 5 / 6
Total Dimensions
695mm(H) x 405mm(W) x 435mm(D)
Primary-specific profile
Construction
Single-Mould Polypropylene
No joints, rust-proof, easy clean
Stacking Ability
Up to 10 High
Space-saving storage
Compliance
BS EN1729 Parts 1 & 2
Certified for education use

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 10 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: The UK’s Toughest School Chairs

Q: Is "Size 4" the correct choice for Year 6 students?

A: Yes. Size 4 is the industry standard for children aged 8 to 11 years. With a 380mm seat height, it provides the correct ergonomic support for Key Stage 2 pupils as they prepare for the transition to secondary school dimensions.

Q: Why is the jointless construction better for senior primary pupils?

A: As students get older and heavier, traditional metal-framed chairs often fail at the weld points or loose screws. Jointless chairs have no stress points to fail, ensuring the chair remains structurally sound throughout its life.

Q: Are these chairs easy to keep clean in a high-traffic dining hall?

A: Absolutely. They are 100% waterproof and have zero crevices where food or bacteria can hide. They can be wiped down quickly between sittings or deep-cleaned with a hose if required.

Q: What does the 20-year warranty cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in a school environment. This single-mould design is built to outlast traditional seating by a significant margin.

Q: Is the Red colour fade-resistant in bright classrooms?

A: We use UV-stabilised high-impact polypropylene. This ensures the vibrant Red remains consistent and resists fading, even in classrooms with large windows and high levels of natural sunlight.

Q: How many chairs can safely be stacked?

A: These chairs are designed for high-density nesting. You can safely stack them up to 10 units high, making them easy to move on a trolley or store efficiently when rooms need clearing for exams or activities.

Q: Are these chairs environmentally friendly?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they are made of a single material, they are much easier to recycle at end-of-life than chairs made from combined metal and plastic.

Q: Why should we buy from Cobolt Furniture?

A: With over 50 years of heritage, we are a trusted partner to the UK public sector. We offer Free UK Mainland Delivery, expert advice, and British-standard quality that stands the test of time.

Overview

Product Overview: Size 4 Red One-Piece Primary Chair

The Cobolt Flora One-Piece range is the ultimate solution for high-traffic senior primary school settings. Dispatched with Free UK Mainland Delivery, this Size 4 model provides a maintenance-free, hygienic seating solution built to last through the final years of primary education.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to survive the robust daily use of Key Stage 2 environments.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it the most hygienic choice for school dining halls and busy classrooms.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting students and ensuring no snagged school blazers or loose hardware.

Ergonomics & Sustainability

  • Posture Support: Specifically scaled for the 8-11 age demographic (Size 4), the shell encourages a natural seated position to aid concentration and spinal health.
  • Eco-Responsible: FSC approved and 100% recyclable. At the end of its extensive service life, the chair can be fully recycled as a single material without disassembly.
  • Staff Efficiency: Colour-coded anti-slip feet correspond to the Size 4 standard, allowing site teams to instantly organize furniture by age group.

Heavy Duty Engineering

Designed for the rigours of senior primary education, this chair combines a lightweight profile (2.52kg) for easy handling by students with an extra-strong undercarriage for maximum stability. The single-mould process ensures that there are no weak points at the joints, where traditional metal-framed chairs often fail under the weight of older children.

The Cobolt Standard

  • 50 Years of Expertise: We have spent five decades supplying the UK public sector, ensuring every chair meets the highest benchmarks for safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a budget-friendly experience for your school.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Features & Benefits

Where is this Size 4 One-Piece Chair used?

The Red One-Piece Primary Chair is a popular specification for Year 4, 5 & 6 Classrooms, Academy Dining Halls, ICT Suites, and School Libraries. Its robust, waterproof design makes it a versatile asset for both learning and communal areas.

Key Features

  • One-Piece Moulded Design – Zero joints or screws for maximum structural integrity.
  • 20-Year Warranty – Our most extensive guarantee for long-term peace of mind.
  • Size 4 (8-11 Years) – Correct ergonomic scaling for senior primary students.
  • Lightweight (2.52kg) – Easy for students to move safely and for staff to stack.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in multi-use school halls.
  • Anti-Slip Feet – Colour-coded for easy age-group identification.
  • BS EN1729 Compliant – Tested to the highest standards for strength and stability.
20 Year Warranty icon
20-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Responsibly Recyclable

Safety & Warranty

Safety Engineered. Maintenance Free.

  • The Integrated One-Piece Design is the safest architectural choice for schools, as it eliminates the screws, bolts, and metal edges found in traditional chairs.
  • A Reinforced Undercarriage provides enhanced structural lifespan, ensuring the chair can withstand the energetic daily use of Year 4 to Year 6 pupils.
  • Compliance with BS EN1729 Parts 1 & 2 guarantees that the chair meets strict UK standards for stability, strength, and ergonomic sizing.
  • The 20-Year Manufacturer Warranty is an industry-leading commitment, ensuring your school’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on classroom floors and preventing the chair from sliding during active use.

Specification Dimensions

The Size 4 Red One-Piece Chair combines indestructible construction with certified ergonomic support. These specifications detail the materials and dimensions that make it the responsible choice for senior primary education.

Age Group
8-11 Years (Size 4)
Weight
2.52kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Standard Size 4 for Year 4 / 5 / 6
Total Dimensions
695mm(H) x 405mm(W) x 435mm(D)
Primary-specific profile
Construction
Single-Mould Polypropylene
No joints, rust-proof, easy clean
Stacking Ability
Up to 10 High
Space-saving storage
Compliance
BS EN1729 Parts 1 & 2
Certified for education use

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 10 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: The UK’s Toughest School Chairs

Q: Is "Size 4" the correct choice for Year 6 students?

A: Yes. Size 4 is the industry standard for children aged 8 to 11 years. With a 380mm seat height, it provides the correct ergonomic support for Key Stage 2 pupils as they prepare for the transition to secondary school dimensions.

Q: Why is the jointless construction better for senior primary pupils?

A: As students get older and heavier, traditional metal-framed chairs often fail at the weld points or loose screws. Jointless chairs have no stress points to fail, ensuring the chair remains structurally sound throughout its life.

Q: Are these chairs easy to keep clean in a high-traffic dining hall?

A: Absolutely. They are 100% waterproof and have zero crevices where food or bacteria can hide. They can be wiped down quickly between sittings or deep-cleaned with a hose if required.

Q: What does the 20-year warranty cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in a school environment. This single-mould design is built to outlast traditional seating by a significant margin.

Q: Is the Red colour fade-resistant in bright classrooms?

A: We use UV-stabilised high-impact polypropylene. This ensures the vibrant Red remains consistent and resists fading, even in classrooms with large windows and high levels of natural sunlight.

Q: How many chairs can safely be stacked?

A: These chairs are designed for high-density nesting. You can safely stack them up to 10 units high, making them easy to move on a trolley or store efficiently when rooms need clearing for exams or activities.

Q: Are these chairs environmentally friendly?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they are made of a single material, they are much easier to recycle at end-of-life than chairs made from combined metal and plastic.

Q: Why should we buy from Cobolt Furniture?

A: With over 50 years of heritage, we are a trusted partner to the UK public sector. We offer Free UK Mainland Delivery, expert advice, and British-standard quality that stands the test of time.

Red One-Piece Heavy Duty School Chair - Size 4 - 8-11 Years

Product code: CH24RD
Complete your Key Stage 2 learning environments with the Cobolt Red One-Piece Heavy Duty School Chair (Size 4 / 8-11 Years). Specifically dimensioned ...

Inc VAT

Exc VAT

£22.00

£18.33

Height by Age - 8-11 Years
Colours - Red

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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 4 Red One-Piece Primary Chair

The Cobolt Flora One-Piece range is the ultimate solution for high-traffic senior primary school settings. Dispatched with Free UK Mainland Delivery, this Size 4 model provides a maintenance-free, hygienic seating solution built to last through the final years of primary education.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to survive the robust daily use of Key Stage 2 environments.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it the most hygienic choice for school dining halls and busy classrooms.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting students and ensuring no snagged school blazers or loose hardware.

Ergonomics & Sustainability

  • Posture Support: Specifically scaled for the 8-11 age demographic (Size 4), the shell encourages a natural seated position to aid concentration and spinal health.
  • Eco-Responsible: FSC approved and 100% recyclable. At the end of its extensive service life, the chair can be fully recycled as a single material without disassembly.
  • Staff Efficiency: Colour-coded anti-slip feet correspond to the Size 4 standard, allowing site teams to instantly organize furniture by age group.

Heavy Duty Engineering

Designed for the rigours of senior primary education, this chair combines a lightweight profile (2.52kg) for easy handling by students with an extra-strong undercarriage for maximum stability. The single-mould process ensures that there are no weak points at the joints, where traditional metal-framed chairs often fail under the weight of older children.

The Cobolt Standard

  • 50 Years of Expertise: We have spent five decades supplying the UK public sector, ensuring every chair meets the highest benchmarks for safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a budget-friendly experience for your school.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Where is this Size 4 One-Piece Chair used?

The Red One-Piece Primary Chair is a popular specification for Year 4, 5 & 6 Classrooms, Academy Dining Halls, ICT Suites, and School Libraries. Its robust, waterproof design makes it a versatile asset for both learning and communal areas.

Key Features

  • One-Piece Moulded Design – Zero joints or screws for maximum structural integrity.
  • 20-Year Warranty – Our most extensive guarantee for long-term peace of mind.
  • Size 4 (8-11 Years) – Correct ergonomic scaling for senior primary students.
  • Lightweight (2.52kg) – Easy for students to move safely and for staff to stack.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in multi-use school halls.
  • Anti-Slip Feet – Colour-coded for easy age-group identification.
  • BS EN1729 Compliant – Tested to the highest standards for strength and stability.
20 Year Warranty icon
20-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Responsibly Recyclable

Safety Engineered. Maintenance Free.

  • The Integrated One-Piece Design is the safest architectural choice for schools, as it eliminates the screws, bolts, and metal edges found in traditional chairs.
  • A Reinforced Undercarriage provides enhanced structural lifespan, ensuring the chair can withstand the energetic daily use of Year 4 to Year 6 pupils.
  • Compliance with BS EN1729 Parts 1 & 2 guarantees that the chair meets strict UK standards for stability, strength, and ergonomic sizing.
  • The 20-Year Manufacturer Warranty is an industry-leading commitment, ensuring your school’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on classroom floors and preventing the chair from sliding during active use.

The Size 4 Red One-Piece Chair combines indestructible construction with certified ergonomic support. These specifications detail the materials and dimensions that make it the responsible choice for senior primary education.

Age Group
8-11 Years (Size 4)
Weight
2.52kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Standard Size 4 for Year 4 / 5 / 6
Total Dimensions
695mm(H) x 405mm(W) x 435mm(D)
Primary-specific profile
Construction
Single-Mould Polypropylene
No joints, rust-proof, easy clean
Stacking Ability
Up to 10 High
Space-saving storage
Compliance
BS EN1729 Parts 1 & 2
Certified for education use

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 10 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: The UK’s Toughest School Chairs

Q: Is "Size 4" the correct choice for Year 6 students?

A: Yes. Size 4 is the industry standard for children aged 8 to 11 years. With a 380mm seat height, it provides the correct ergonomic support for Key Stage 2 pupils as they prepare for the transition to secondary school dimensions.

Q: Why is the jointless construction better for senior primary pupils?

A: As students get older and heavier, traditional metal-framed chairs often fail at the weld points or loose screws. Jointless chairs have no stress points to fail, ensuring the chair remains structurally sound throughout its life.

Q: Are these chairs easy to keep clean in a high-traffic dining hall?

A: Absolutely. They are 100% waterproof and have zero crevices where food or bacteria can hide. They can be wiped down quickly between sittings or deep-cleaned with a hose if required.

Q: What does the 20-year warranty cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in a school environment. This single-mould design is built to outlast traditional seating by a significant margin.

Q: Is the Red colour fade-resistant in bright classrooms?

A: We use UV-stabilised high-impact polypropylene. This ensures the vibrant Red remains consistent and resists fading, even in classrooms with large windows and high levels of natural sunlight.

Q: How many chairs can safely be stacked?

A: These chairs are designed for high-density nesting. You can safely stack them up to 10 units high, making them easy to move on a trolley or store efficiently when rooms need clearing for exams or activities.

Q: Are these chairs environmentally friendly?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they are made of a single material, they are much easier to recycle at end-of-life than chairs made from combined metal and plastic.

Q: Why should we buy from Cobolt Furniture?

A: With over 50 years of heritage, we are a trusted partner to the UK public sector. We offer Free UK Mainland Delivery, expert advice, and British-standard quality that stands the test of time.

Overview

Product Overview: Size 4 Red One-Piece Primary Chair

The Cobolt Flora One-Piece range is the ultimate solution for high-traffic senior primary school settings. Dispatched with Free UK Mainland Delivery, this Size 4 model provides a maintenance-free, hygienic seating solution built to last through the final years of primary education.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to survive the robust daily use of Key Stage 2 environments.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it the most hygienic choice for school dining halls and busy classrooms.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting students and ensuring no snagged school blazers or loose hardware.

Ergonomics & Sustainability

  • Posture Support: Specifically scaled for the 8-11 age demographic (Size 4), the shell encourages a natural seated position to aid concentration and spinal health.
  • Eco-Responsible: FSC approved and 100% recyclable. At the end of its extensive service life, the chair can be fully recycled as a single material without disassembly.
  • Staff Efficiency: Colour-coded anti-slip feet correspond to the Size 4 standard, allowing site teams to instantly organize furniture by age group.

Heavy Duty Engineering

Designed for the rigours of senior primary education, this chair combines a lightweight profile (2.52kg) for easy handling by students with an extra-strong undercarriage for maximum stability. The single-mould process ensures that there are no weak points at the joints, where traditional metal-framed chairs often fail under the weight of older children.

The Cobolt Standard

  • 50 Years of Expertise: We have spent five decades supplying the UK public sector, ensuring every chair meets the highest benchmarks for safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a budget-friendly experience for your school.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Features & Benefits

Where is this Size 4 One-Piece Chair used?

The Red One-Piece Primary Chair is a popular specification for Year 4, 5 & 6 Classrooms, Academy Dining Halls, ICT Suites, and School Libraries. Its robust, waterproof design makes it a versatile asset for both learning and communal areas.

Key Features

  • One-Piece Moulded Design – Zero joints or screws for maximum structural integrity.
  • 20-Year Warranty – Our most extensive guarantee for long-term peace of mind.
  • Size 4 (8-11 Years) – Correct ergonomic scaling for senior primary students.
  • Lightweight (2.52kg) – Easy for students to move safely and for staff to stack.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in multi-use school halls.
  • Anti-Slip Feet – Colour-coded for easy age-group identification.
  • BS EN1729 Compliant – Tested to the highest standards for strength and stability.
20 Year Warranty icon
20-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Responsibly Recyclable

Safety & Warranty

Safety Engineered. Maintenance Free.

  • The Integrated One-Piece Design is the safest architectural choice for schools, as it eliminates the screws, bolts, and metal edges found in traditional chairs.
  • A Reinforced Undercarriage provides enhanced structural lifespan, ensuring the chair can withstand the energetic daily use of Year 4 to Year 6 pupils.
  • Compliance with BS EN1729 Parts 1 & 2 guarantees that the chair meets strict UK standards for stability, strength, and ergonomic sizing.
  • The 20-Year Manufacturer Warranty is an industry-leading commitment, ensuring your school’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on classroom floors and preventing the chair from sliding during active use.

Specification Dimensions

The Size 4 Red One-Piece Chair combines indestructible construction with certified ergonomic support. These specifications detail the materials and dimensions that make it the responsible choice for senior primary education.

Age Group
8-11 Years (Size 4)
Weight
2.52kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Standard Size 4 for Year 4 / 5 / 6
Total Dimensions
695mm(H) x 405mm(W) x 435mm(D)
Primary-specific profile
Construction
Single-Mould Polypropylene
No joints, rust-proof, easy clean
Stacking Ability
Up to 10 High
Space-saving storage
Compliance
BS EN1729 Parts 1 & 2
Certified for education use

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 10 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: The UK’s Toughest School Chairs

Q: Is "Size 4" the correct choice for Year 6 students?

A: Yes. Size 4 is the industry standard for children aged 8 to 11 years. With a 380mm seat height, it provides the correct ergonomic support for Key Stage 2 pupils as they prepare for the transition to secondary school dimensions.

Q: Why is the jointless construction better for senior primary pupils?

A: As students get older and heavier, traditional metal-framed chairs often fail at the weld points or loose screws. Jointless chairs have no stress points to fail, ensuring the chair remains structurally sound throughout its life.

Q: Are these chairs easy to keep clean in a high-traffic dining hall?

A: Absolutely. They are 100% waterproof and have zero crevices where food or bacteria can hide. They can be wiped down quickly between sittings or deep-cleaned with a hose if required.

Q: What does the 20-year warranty cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in a school environment. This single-mould design is built to outlast traditional seating by a significant margin.

Q: Is the Red colour fade-resistant in bright classrooms?

A: We use UV-stabilised high-impact polypropylene. This ensures the vibrant Red remains consistent and resists fading, even in classrooms with large windows and high levels of natural sunlight.

Q: How many chairs can safely be stacked?

A: These chairs are designed for high-density nesting. You can safely stack them up to 10 units high, making them easy to move on a trolley or store efficiently when rooms need clearing for exams or activities.

Q: Are these chairs environmentally friendly?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they are made of a single material, they are much easier to recycle at end-of-life than chairs made from combined metal and plastic.

Q: Why should we buy from Cobolt Furniture?

A: With over 50 years of heritage, we are a trusted partner to the UK public sector. We offer Free UK Mainland Delivery, expert advice, and British-standard quality that stands the test of time.

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