Blue plastic chair with modern silhouette and top handle, contrasting against standard grey seating.
Blue One-Piece Heavy Duty School Chair - Size 6 - 14+ Years / Adult
Blue One-Piece Heavy Duty School Chair - Size 6 - 14+ Years / Adult
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 6 Blue One-Piece Senior Chair

The Cobolt Flora One-Piece range is the definitive choice for modern senior educational interiors. Dispatched with Free UK Mainland Delivery, this Size 6 model provides a maintenance-free, professional seating solution built to endure the "Senior Campus routine" for decades.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to support adult weight loads without the structural fatigue common in metal-framed seating.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it an ideal choice for multi-purpose campus dining, libraries, and breakout areas.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting users and ensuring no damage to professional clothing or uniforms.

Ergonomics & Sustainability

  • Adult Comfort: Specifically dimensioned for the 14+ demographic (Size 6), the shell provides essential lumbar reinforcement to maintain concentration during long study periods.
  • 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 6 standard, allowing facility teams to instantly identify and organise adult-height furniture across the campus.

Senior Grade Engineering

Designed for the rigours of senior education and office use, this chair combines a robust profile (3.95kg) with a reinforced undercarriage for maximum load-bearing durability. The single-mould process ensures there are no weak points at the joints, where traditional metal-framed chairs often fail under intensive institutional use.

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 durability and structural safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a transparent and budget-friendly procurement experience for your institution.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Where is this Size 6 One-Piece Chair used?

The Blue One-Piece Senior Chair is the primary specification for Sixth Form Common Rooms, University Lecture Theatres, Staff Training Suites, and Adult Education Centres. Its professional, waterproof design makes it a versatile asset for both academic 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 6 (14+ Years / Adult) – Correct ergonomic scaling for senior students and staff.
  • High Load Capacity (3.95kg) – Built to withstand the weight and activity of adult users.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in exam halls and venues.
  • 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 campuses, 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 weight requirements of senior students and faculty.
  • 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 institution’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on various floor surfaces and preventing the chair from sliding during active use.

The Size 6 Blue 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 education.

Age Group
14+ Years / Adult (Size 6)
Weight
3.95kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard Adult Size 6 specification
Total Dimensions
820mm(H) x 455mm(W) x 535mm(D)
Senior-specific adult 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 6" suitable for university lecture halls?

A: Yes. Size 6 is the UK industry standard for adults and students over 14. With a seat height of 460mm, it provides the correct ergonomic support for fully grown users, ensuring comfort during long seminars or exams.

Q: Why is jointless construction better for senior colleges?

A: Senior education environments involve higher weight loads. Jointless chairs have no stress points like welds or screws that can fail, and they are immune to students attempting to disassemble or loosen hardware in communal areas.

Q: Are these chairs easy to sanitise in a high-traffic library?

A: Absolutely. They are 100% waterproof and have zero crevices where germs or bacteria can hide. They can be wiped down quickly between study sessions with standard non-abrasive cleaners.

Q: What does the 20-year warranty actually cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in an institutional environment. This single-mould design is built to outlive metal-framed alternatives by a significant margin.

Q: Can these chairs be used in staff rooms or breakout areas?

A: Yes. Their robust construction and ergonomic support make them ideal for any campus setting. The professional Blue finish fits seamlessly into office environments as well as classrooms.

Q: How many chairs can be safely stacked for venue management?

A: These senior chairs are designed for high-density vertical nesting. You can safely stack them up to 10 units high, making them easy to move or store efficiently during exams or large-scale campus events.

Q: Are these chairs environmentally sustainable?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they consist of a single material, they are significantly easier to recycle at end-of-life than chairs with composite parts.

Q: Why should we purchase our senior seating from Cobolt?

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

Overview

Product Overview: Size 6 Blue One-Piece Senior Chair

The Cobolt Flora One-Piece range is the definitive choice for modern senior educational interiors. Dispatched with Free UK Mainland Delivery, this Size 6 model provides a maintenance-free, professional seating solution built to endure the "Senior Campus routine" for decades.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to support adult weight loads without the structural fatigue common in metal-framed seating.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it an ideal choice for multi-purpose campus dining, libraries, and breakout areas.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting users and ensuring no damage to professional clothing or uniforms.

Ergonomics & Sustainability

  • Adult Comfort: Specifically dimensioned for the 14+ demographic (Size 6), the shell provides essential lumbar reinforcement to maintain concentration during long study periods.
  • 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 6 standard, allowing facility teams to instantly identify and organise adult-height furniture across the campus.

Senior Grade Engineering

Designed for the rigours of senior education and office use, this chair combines a robust profile (3.95kg) with a reinforced undercarriage for maximum load-bearing durability. The single-mould process ensures there are no weak points at the joints, where traditional metal-framed chairs often fail under intensive institutional use.

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 durability and structural safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a transparent and budget-friendly procurement experience for your institution.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Features & Benefits

Where is this Size 6 One-Piece Chair used?

The Blue One-Piece Senior Chair is the primary specification for Sixth Form Common Rooms, University Lecture Theatres, Staff Training Suites, and Adult Education Centres. Its professional, waterproof design makes it a versatile asset for both academic 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 6 (14+ Years / Adult) – Correct ergonomic scaling for senior students and staff.
  • High Load Capacity (3.95kg) – Built to withstand the weight and activity of adult users.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in exam halls and venues.
  • 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 campuses, 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 weight requirements of senior students and faculty.
  • 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 institution’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on various floor surfaces and preventing the chair from sliding during active use.

Specification Dimensions

The Size 6 Blue 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 education.

Age Group
14+ Years / Adult (Size 6)
Weight
3.95kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard Adult Size 6 specification
Total Dimensions
820mm(H) x 455mm(W) x 535mm(D)
Senior-specific adult 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 6" suitable for university lecture halls?

A: Yes. Size 6 is the UK industry standard for adults and students over 14. With a seat height of 460mm, it provides the correct ergonomic support for fully grown users, ensuring comfort during long seminars or exams.

Q: Why is jointless construction better for senior colleges?

A: Senior education environments involve higher weight loads. Jointless chairs have no stress points like welds or screws that can fail, and they are immune to students attempting to disassemble or loosen hardware in communal areas.

Q: Are these chairs easy to sanitise in a high-traffic library?

A: Absolutely. They are 100% waterproof and have zero crevices where germs or bacteria can hide. They can be wiped down quickly between study sessions with standard non-abrasive cleaners.

Q: What does the 20-year warranty actually cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in an institutional environment. This single-mould design is built to outlive metal-framed alternatives by a significant margin.

Q: Can these chairs be used in staff rooms or breakout areas?

A: Yes. Their robust construction and ergonomic support make them ideal for any campus setting. The professional Blue finish fits seamlessly into office environments as well as classrooms.

Q: How many chairs can be safely stacked for venue management?

A: These senior chairs are designed for high-density vertical nesting. You can safely stack them up to 10 units high, making them easy to move or store efficiently during exams or large-scale campus events.

Q: Are these chairs environmentally sustainable?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they consist of a single material, they are significantly easier to recycle at end-of-life than chairs with composite parts.

Q: Why should we purchase our senior seating from Cobolt?

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

Blue One-Piece Heavy Duty School Chair - Size 6 - 14+ Years / Adult

Product code: CH26BL
Establish a professional and indestructible learning environment for senior students and faculty with the Cobolt Blue One-Piece Heavy Duty School Chai...

Inc VAT

Exc VAT

£29.00

£24.17

Height by Age - 14+ Years
Colours - Blue

Request a Quote

You can add multiple configured items and submit once.

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

Fast Tracked Dispatch Predictable. Reliable. Hassle-free.

UK Customer Support Expert guidance. Real people.

Trusted UK Supplier 50 years. Established. Reliable.

Free UK Mainland Delivery Clear. Upfront pricing.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Size 6 Blue One-Piece Senior Chair

The Cobolt Flora One-Piece range is the definitive choice for modern senior educational interiors. Dispatched with Free UK Mainland Delivery, this Size 6 model provides a maintenance-free, professional seating solution built to endure the "Senior Campus routine" for decades.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to support adult weight loads without the structural fatigue common in metal-framed seating.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it an ideal choice for multi-purpose campus dining, libraries, and breakout areas.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting users and ensuring no damage to professional clothing or uniforms.

Ergonomics & Sustainability

  • Adult Comfort: Specifically dimensioned for the 14+ demographic (Size 6), the shell provides essential lumbar reinforcement to maintain concentration during long study periods.
  • 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 6 standard, allowing facility teams to instantly identify and organise adult-height furniture across the campus.

Senior Grade Engineering

Designed for the rigours of senior education and office use, this chair combines a robust profile (3.95kg) with a reinforced undercarriage for maximum load-bearing durability. The single-mould process ensures there are no weak points at the joints, where traditional metal-framed chairs often fail under intensive institutional use.

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 durability and structural safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a transparent and budget-friendly procurement experience for your institution.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Where is this Size 6 One-Piece Chair used?

The Blue One-Piece Senior Chair is the primary specification for Sixth Form Common Rooms, University Lecture Theatres, Staff Training Suites, and Adult Education Centres. Its professional, waterproof design makes it a versatile asset for both academic 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 6 (14+ Years / Adult) – Correct ergonomic scaling for senior students and staff.
  • High Load Capacity (3.95kg) – Built to withstand the weight and activity of adult users.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in exam halls and venues.
  • 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 campuses, 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 weight requirements of senior students and faculty.
  • 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 institution’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on various floor surfaces and preventing the chair from sliding during active use.

The Size 6 Blue 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 education.

Age Group
14+ Years / Adult (Size 6)
Weight
3.95kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard Adult Size 6 specification
Total Dimensions
820mm(H) x 455mm(W) x 535mm(D)
Senior-specific adult 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 6" suitable for university lecture halls?

A: Yes. Size 6 is the UK industry standard for adults and students over 14. With a seat height of 460mm, it provides the correct ergonomic support for fully grown users, ensuring comfort during long seminars or exams.

Q: Why is jointless construction better for senior colleges?

A: Senior education environments involve higher weight loads. Jointless chairs have no stress points like welds or screws that can fail, and they are immune to students attempting to disassemble or loosen hardware in communal areas.

Q: Are these chairs easy to sanitise in a high-traffic library?

A: Absolutely. They are 100% waterproof and have zero crevices where germs or bacteria can hide. They can be wiped down quickly between study sessions with standard non-abrasive cleaners.

Q: What does the 20-year warranty actually cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in an institutional environment. This single-mould design is built to outlive metal-framed alternatives by a significant margin.

Q: Can these chairs be used in staff rooms or breakout areas?

A: Yes. Their robust construction and ergonomic support make them ideal for any campus setting. The professional Blue finish fits seamlessly into office environments as well as classrooms.

Q: How many chairs can be safely stacked for venue management?

A: These senior chairs are designed for high-density vertical nesting. You can safely stack them up to 10 units high, making them easy to move or store efficiently during exams or large-scale campus events.

Q: Are these chairs environmentally sustainable?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they consist of a single material, they are significantly easier to recycle at end-of-life than chairs with composite parts.

Q: Why should we purchase our senior seating from Cobolt?

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

Overview

Product Overview: Size 6 Blue One-Piece Senior Chair

The Cobolt Flora One-Piece range is the definitive choice for modern senior educational interiors. Dispatched with Free UK Mainland Delivery, this Size 6 model provides a maintenance-free, professional seating solution built to endure the "Senior Campus routine" for decades.

The One-Piece Advantage

  • Unrivalled Lifespan: Backed by an industry-leading 20-year manufacturer warranty, these chairs are designed to support adult weight loads without the structural fatigue common in metal-framed seating.
  • Seamless Hygiene: The jointless construction leaves no crevices for dust or bacteria to accumulate, making it an ideal choice for multi-purpose campus dining, libraries, and breakout areas.
  • Total Safety: With zero nuts, bolts, or sharp metal edges, this chair is completely "tamper-proof," protecting users and ensuring no damage to professional clothing or uniforms.

Ergonomics & Sustainability

  • Adult Comfort: Specifically dimensioned for the 14+ demographic (Size 6), the shell provides essential lumbar reinforcement to maintain concentration during long study periods.
  • 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 6 standard, allowing facility teams to instantly identify and organise adult-height furniture across the campus.

Senior Grade Engineering

Designed for the rigours of senior education and office use, this chair combines a robust profile (3.95kg) with a reinforced undercarriage for maximum load-bearing durability. The single-mould process ensures there are no weak points at the joints, where traditional metal-framed chairs often fail under intensive institutional use.

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 durability and structural safety.
  • Free UK Mainland Delivery: We manage all transport logistics at no additional cost, providing a transparent and budget-friendly procurement experience for your institution.
  • UK Designed: Engineered specifically for the demands of the British educational environment.

Features & Benefits

Where is this Size 6 One-Piece Chair used?

The Blue One-Piece Senior Chair is the primary specification for Sixth Form Common Rooms, University Lecture Theatres, Staff Training Suites, and Adult Education Centres. Its professional, waterproof design makes it a versatile asset for both academic 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 6 (14+ Years / Adult) – Correct ergonomic scaling for senior students and staff.
  • High Load Capacity (3.95kg) – Built to withstand the weight and activity of adult users.
  • Jointless Construction – Anti-tamper and exceptionally easy to deep-clean.
  • Stackable 10-High – Maximises floor space efficiency in exam halls and venues.
  • 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 campuses, 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 weight requirements of senior students and faculty.
  • 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 institution’s investment is protected for two decades of service.
  • Anti-Slip Feet are fitted to every leg, providing essential grip on various floor surfaces and preventing the chair from sliding during active use.

Specification Dimensions

The Size 6 Blue 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 education.

Age Group
14+ Years / Adult (Size 6)
Weight
3.95kg
Guarantee
20 Years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard Adult Size 6 specification
Total Dimensions
820mm(H) x 455mm(W) x 535mm(D)
Senior-specific adult 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 6" suitable for university lecture halls?

A: Yes. Size 6 is the UK industry standard for adults and students over 14. With a seat height of 460mm, it provides the correct ergonomic support for fully grown users, ensuring comfort during long seminars or exams.

Q: Why is jointless construction better for senior colleges?

A: Senior education environments involve higher weight loads. Jointless chairs have no stress points like welds or screws that can fail, and they are immune to students attempting to disassemble or loosen hardware in communal areas.

Q: Are these chairs easy to sanitise in a high-traffic library?

A: Absolutely. They are 100% waterproof and have zero crevices where germs or bacteria can hide. They can be wiped down quickly between study sessions with standard non-abrasive cleaners.

Q: What does the 20-year warranty actually cover?

A: The warranty covers structural defects and ensures the chair remains fit for purpose in an institutional environment. This single-mould design is built to outlive metal-framed alternatives by a significant margin.

Q: Can these chairs be used in staff rooms or breakout areas?

A: Yes. Their robust construction and ergonomic support make them ideal for any campus setting. The professional Blue finish fits seamlessly into office environments as well as classrooms.

Q: How many chairs can be safely stacked for venue management?

A: These senior chairs are designed for high-density vertical nesting. You can safely stack them up to 10 units high, making them easy to move or store efficiently during exams or large-scale campus events.

Q: Are these chairs environmentally sustainable?

A: Yes. They are FSC approved and 100% responsibly recyclable. Because they consist of a single material, they are significantly easier to recycle at end-of-life than chairs with composite parts.

Q: Why should we purchase our senior seating from Cobolt?

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

You may also like

Recently Viewed