A bright yellow plastic school chair placed in a sunlit classroom beside wooden cabinets and a clean, pale floor.
Bright yellow Postura+ chair with a contoured seat and angled legs, crafted for cheerful classroom use and easy stacking.
Beige Postura+ chair with a neutral tone and minimalist form, engineered for institutional seating with long-term resilience.
Sizing chart for KI Europe’s Postura+ Chairs showing age ranges, seat heights, dimensions, and weight for nursery to adult users, with colour-coded feet illustrations.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Yellow Postura+ Chair (460mm, Ages 14+)

The Yellow (Sun) Postura+ (460mm) is designed to combat visual fatigue and inspire optimism. Tailored for the adult physique (14+), it provides a striking contrast to grey urban campuses and office blocks, offering a stimulating seating solution perfect for areas dedicated to brainstorming, socialising, and creative development.

Ergonomics for Adult Users

  • 460mm seat height aligns with standard adult desks and collaborative tables (710-760mm)
  • Sculpted lumbar support encourages an upright, alert posture essential for focus
  • Waterfall seat edge prevents pressure on the thighs during long workshops

Certified for Severe Use

  • Achieves BS EN 16139 Level 2 – independently tested to withstand severe use in public venues
  • Gas-injected legs ensure rigid stability for user weights up to 204kg
  • Single-piece construction removes weak points, ensuring longevity in high-traffic zones

The Power of Positivity

Yellow is psychometrically linked to confidence and mental agility. Utilizing this finish in breakout spaces or dark corners of a library can significantly lift the energy of the room and its occupants.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics to give you a transparent, budget-friendly price
  • UV Stability: Premium stabilisers prevent the vibrant yellow from fading in sunlit rooms
  • Seamless Logistics: Deliveries coordinated to suit your operational hours
  • 20-Year Warranty: A long-term promise of durability

Where is this Yellow adult stacking chair used?

The Yellow Postura+ (460mm) is specified for spaces that need to feel welcoming and alive. It is widely used in University "Think Tanks", Design Faculty Studios, Wellbeing Support Rooms, and Modern Canteens. Its severe use rating ensures it survives the heavy footfall of public and student use.

Key Features

  • Adult Dimensions – 460mm seat height is designed for 14+ years and adults, matching standard desk heights.
  • Severe Use Certified – Meets BS EN 16139 Level 2, ensuring it handles the heavy wear of public use.
  • High Density Stacking – Stacks 12 high vertically, allowing for flexible room layouts.
  • High Visibility – The Sun Yellow finish adds immediate warmth and brightness to any interior.
  • Safety Engineered – Anti-rock rear legs prevent tipping, and the material is anti-static.
  • Hygiene Ready – The smooth, non-porous surface resists stains and cleans easily.
  • Eco-Friendly – Manufactured in the UK using 30% recycled content and is 100% recyclable.
  • Lightweight Strength – Weighs just 3.73kg, making it easy to move, yet supports 204kg.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
UK manufactured

Cobolt Service & Ethos: Here to Make It Easy

  • Free Delivery (UK Mainland): We believe in simple pricing. The price you see includes transport to your facility.
  • Project Ownership: A dedicated expert will oversee your order, ideal for creative workspace fit-outs.
  • Flexible Scheduling: We work around your operational hours to deliver when it suits you.
  • Long-term Value: We supply products tested to the highest British Standards for longevity.

Built for Safety. Backed for Years.

  • This chair is engineered for high-usage environments. It holds BS EN 16139 Level 2 (Severe Contract Use) alongside BS EN 1729 Part 1 & 2, certifying it for both educational ergonomics and heavy-duty public use.
  • Designed for user safety: the anti-rocking mechanism ensures stability, while the anti-static finish prevents shocks in tech-heavy environments.
  • Hygiene maintenance is effortless. The high-impact polypropylene is resistant to industrial cleaning agents, making it ideal for high-turnover dining spaces.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, protecting your budget against breakage.
  • The chair is tested to support a static weight of 204kg, ensuring it safely accommodates a diverse user base.

The Yellow Postura+ (460mm) is the adult-sized solution for optimistic, high-energy environments. These specifications reflect its suitability for 14+ years, Higher Education, and severe contract use.

Dimensions
790mm (H) × 480mm (W) × 525mm (D)
Weight
3.73kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard adult height for 14+ and FE/HE
Material
30% recycled high-impact polypropylene
Sustainable, durable, and wipe-clean
Construction
Single-piece gas injection mould
Zero maintenance; certified for severe use
Ventilation
Lumbar ventilation window
Maintains comfort during long sessions
Edge Profile
Waterfall seat edge
Maintains circulation for adult users
Anti-static / Anti-rocking
Yes
Safe for IT suites; prevents tipping
Stackability
Up to 12 chairs
Enables rapid room reconfiguration
Weight Capacity
204kg
Heavy-duty rating suitable for all adults
Outdoor Suitability
UV filter
Resists fading in sunlight
Compliance
BS EN 16139 Level 2 / BS EN 1729
Certified for Severe Contract & Educational Use
Colour
Yellow (Sun)
Bright finish to boost mood and creativity

Dimensions strictly follow DfE size mark guidelines. Minor variations may occur due to manufacturing tolerances.

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 Best Yellow Chair for Creative & Social Spaces

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is included. We cover the transport costs, meaning the price you see is the price you pay, with no hidden freight fees.

Q: Is this chair suitable for adults?

A: Yes. The 460mm seat height is the standard dimension for adults and students aged 14+. It matches standard office and college desks.

Q: What does "BS EN 16139 Level 2" mean?

A: This is a rigorous certification for "Severe Contract Use." It means the chair has been tested to withstand heavier use than standard school chairs, making it ideal for universities and public areas.

Q: Where is Yellow best used?

A: Yellow is ideal for spaces that need to feel uplifted, such as creative hubs, student unions, and wellbeing rooms. It adds light and energy to any interior.

Q: Can I stack these chairs?

A: Yes, despite being the larger adult size, they still stack 12 high vertically on the floor. This is crucial for multi-use halls.

Q: Is it tough enough for heavy daily use?

A: Absolutely. It is rated to 204kg (32 stone) and has a 20-year warranty. The single-piece construction removes any weak points.

Q: Does the chair prevent rocking?

A: Yes. The rear legs are angled to resist tipping back, which improves safety in classrooms and lecture halls.

Q: Is it UK manufactured?

A: Yes, it is made in the UK. This ensures high quality, consistent colour matching, and supports the local economy.

Q: Why choose Cobolt Furniture?

A: We are B2B specialists for the education and workplace sectors. We offer Free UK Mainland Delivery, expert project advice, and reliable products designed for longevity.

Overview

Product Overview: Yellow Postura+ Chair (460mm, Ages 14+)

The Yellow (Sun) Postura+ (460mm) is designed to combat visual fatigue and inspire optimism. Tailored for the adult physique (14+), it provides a striking contrast to grey urban campuses and office blocks, offering a stimulating seating solution perfect for areas dedicated to brainstorming, socialising, and creative development.

Ergonomics for Adult Users

  • 460mm seat height aligns with standard adult desks and collaborative tables (710-760mm)
  • Sculpted lumbar support encourages an upright, alert posture essential for focus
  • Waterfall seat edge prevents pressure on the thighs during long workshops

Certified for Severe Use

  • Achieves BS EN 16139 Level 2 – independently tested to withstand severe use in public venues
  • Gas-injected legs ensure rigid stability for user weights up to 204kg
  • Single-piece construction removes weak points, ensuring longevity in high-traffic zones

The Power of Positivity

Yellow is psychometrically linked to confidence and mental agility. Utilizing this finish in breakout spaces or dark corners of a library can significantly lift the energy of the room and its occupants.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics to give you a transparent, budget-friendly price
  • UV Stability: Premium stabilisers prevent the vibrant yellow from fading in sunlit rooms
  • Seamless Logistics: Deliveries coordinated to suit your operational hours
  • 20-Year Warranty: A long-term promise of durability

Features & Benefits

Where is this Yellow adult stacking chair used?

The Yellow Postura+ (460mm) is specified for spaces that need to feel welcoming and alive. It is widely used in University "Think Tanks", Design Faculty Studios, Wellbeing Support Rooms, and Modern Canteens. Its severe use rating ensures it survives the heavy footfall of public and student use.

Key Features

  • Adult Dimensions – 460mm seat height is designed for 14+ years and adults, matching standard desk heights.
  • Severe Use Certified – Meets BS EN 16139 Level 2, ensuring it handles the heavy wear of public use.
  • High Density Stacking – Stacks 12 high vertically, allowing for flexible room layouts.
  • High Visibility – The Sun Yellow finish adds immediate warmth and brightness to any interior.
  • Safety Engineered – Anti-rock rear legs prevent tipping, and the material is anti-static.
  • Hygiene Ready – The smooth, non-porous surface resists stains and cleans easily.
  • Eco-Friendly – Manufactured in the UK using 30% recycled content and is 100% recyclable.
  • Lightweight Strength – Weighs just 3.73kg, making it easy to move, yet supports 204kg.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
UK manufactured

Cobolt Service & Ethos: Here to Make It Easy

  • Free Delivery (UK Mainland): We believe in simple pricing. The price you see includes transport to your facility.
  • Project Ownership: A dedicated expert will oversee your order, ideal for creative workspace fit-outs.
  • Flexible Scheduling: We work around your operational hours to deliver when it suits you.
  • Long-term Value: We supply products tested to the highest British Standards for longevity.

Safety & Warranty

Built for Safety. Backed for Years.

  • This chair is engineered for high-usage environments. It holds BS EN 16139 Level 2 (Severe Contract Use) alongside BS EN 1729 Part 1 & 2, certifying it for both educational ergonomics and heavy-duty public use.
  • Designed for user safety: the anti-rocking mechanism ensures stability, while the anti-static finish prevents shocks in tech-heavy environments.
  • Hygiene maintenance is effortless. The high-impact polypropylene is resistant to industrial cleaning agents, making it ideal for high-turnover dining spaces.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, protecting your budget against breakage.
  • The chair is tested to support a static weight of 204kg, ensuring it safely accommodates a diverse user base.

Specification Dimensions

The Yellow Postura+ (460mm) is the adult-sized solution for optimistic, high-energy environments. These specifications reflect its suitability for 14+ years, Higher Education, and severe contract use.

Dimensions
790mm (H) × 480mm (W) × 525mm (D)
Weight
3.73kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard adult height for 14+ and FE/HE
Material
30% recycled high-impact polypropylene
Sustainable, durable, and wipe-clean
Construction
Single-piece gas injection mould
Zero maintenance; certified for severe use
Ventilation
Lumbar ventilation window
Maintains comfort during long sessions
Edge Profile
Waterfall seat edge
Maintains circulation for adult users
Anti-static / Anti-rocking
Yes
Safe for IT suites; prevents tipping
Stackability
Up to 12 chairs
Enables rapid room reconfiguration
Weight Capacity
204kg
Heavy-duty rating suitable for all adults
Outdoor Suitability
UV filter
Resists fading in sunlight
Compliance
BS EN 16139 Level 2 / BS EN 1729
Certified for Severe Contract & Educational Use
Colour
Yellow (Sun)
Bright finish to boost mood and creativity

Dimensions strictly follow DfE size mark guidelines. Minor variations may occur due to manufacturing tolerances.

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 Best Yellow Chair for Creative & Social Spaces

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is included. We cover the transport costs, meaning the price you see is the price you pay, with no hidden freight fees.

Q: Is this chair suitable for adults?

A: Yes. The 460mm seat height is the standard dimension for adults and students aged 14+. It matches standard office and college desks.

Q: What does "BS EN 16139 Level 2" mean?

A: This is a rigorous certification for "Severe Contract Use." It means the chair has been tested to withstand heavier use than standard school chairs, making it ideal for universities and public areas.

Q: Where is Yellow best used?

A: Yellow is ideal for spaces that need to feel uplifted, such as creative hubs, student unions, and wellbeing rooms. It adds light and energy to any interior.

Q: Can I stack these chairs?

A: Yes, despite being the larger adult size, they still stack 12 high vertically on the floor. This is crucial for multi-use halls.

Q: Is it tough enough for heavy daily use?

A: Absolutely. It is rated to 204kg (32 stone) and has a 20-year warranty. The single-piece construction removes any weak points.

Q: Does the chair prevent rocking?

A: Yes. The rear legs are angled to resist tipping back, which improves safety in classrooms and lecture halls.

Q: Is it UK manufactured?

A: Yes, it is made in the UK. This ensures high quality, consistent colour matching, and supports the local economy.

Q: Why choose Cobolt Furniture?

A: We are B2B specialists for the education and workplace sectors. We offer Free UK Mainland Delivery, expert project advice, and reliable products designed for longevity.

Yellow Postura+ Ergonomic One-Piece Classroom Chair - 14+ Years

Product code: KI14YE
Brighten your facility and boost morale with the Postura+ Ergonomic Chair in Sun Yellow. Dimensioned with a 460mm seat height for adults and students ...

Inc VAT

Exc VAT

£44.00

£36.67

Height by Age - 14+ Years
Colours - Yellow

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  1. Select all required options — Choose your size, finish, edge colour, frame colour, and any add-ons.
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  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.
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Trusted UK Supplier 50 years. Established. Reliable.

Free UK Mainland Delivery Clear. Upfront pricing.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Yellow Postura+ Chair (460mm, Ages 14+)

The Yellow (Sun) Postura+ (460mm) is designed to combat visual fatigue and inspire optimism. Tailored for the adult physique (14+), it provides a striking contrast to grey urban campuses and office blocks, offering a stimulating seating solution perfect for areas dedicated to brainstorming, socialising, and creative development.

Ergonomics for Adult Users

  • 460mm seat height aligns with standard adult desks and collaborative tables (710-760mm)
  • Sculpted lumbar support encourages an upright, alert posture essential for focus
  • Waterfall seat edge prevents pressure on the thighs during long workshops

Certified for Severe Use

  • Achieves BS EN 16139 Level 2 – independently tested to withstand severe use in public venues
  • Gas-injected legs ensure rigid stability for user weights up to 204kg
  • Single-piece construction removes weak points, ensuring longevity in high-traffic zones

The Power of Positivity

Yellow is psychometrically linked to confidence and mental agility. Utilizing this finish in breakout spaces or dark corners of a library can significantly lift the energy of the room and its occupants.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics to give you a transparent, budget-friendly price
  • UV Stability: Premium stabilisers prevent the vibrant yellow from fading in sunlit rooms
  • Seamless Logistics: Deliveries coordinated to suit your operational hours
  • 20-Year Warranty: A long-term promise of durability

Where is this Yellow adult stacking chair used?

The Yellow Postura+ (460mm) is specified for spaces that need to feel welcoming and alive. It is widely used in University "Think Tanks", Design Faculty Studios, Wellbeing Support Rooms, and Modern Canteens. Its severe use rating ensures it survives the heavy footfall of public and student use.

Key Features

  • Adult Dimensions – 460mm seat height is designed for 14+ years and adults, matching standard desk heights.
  • Severe Use Certified – Meets BS EN 16139 Level 2, ensuring it handles the heavy wear of public use.
  • High Density Stacking – Stacks 12 high vertically, allowing for flexible room layouts.
  • High Visibility – The Sun Yellow finish adds immediate warmth and brightness to any interior.
  • Safety Engineered – Anti-rock rear legs prevent tipping, and the material is anti-static.
  • Hygiene Ready – The smooth, non-porous surface resists stains and cleans easily.
  • Eco-Friendly – Manufactured in the UK using 30% recycled content and is 100% recyclable.
  • Lightweight Strength – Weighs just 3.73kg, making it easy to move, yet supports 204kg.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
UK manufactured

Cobolt Service & Ethos: Here to Make It Easy

  • Free Delivery (UK Mainland): We believe in simple pricing. The price you see includes transport to your facility.
  • Project Ownership: A dedicated expert will oversee your order, ideal for creative workspace fit-outs.
  • Flexible Scheduling: We work around your operational hours to deliver when it suits you.
  • Long-term Value: We supply products tested to the highest British Standards for longevity.

Built for Safety. Backed for Years.

  • This chair is engineered for high-usage environments. It holds BS EN 16139 Level 2 (Severe Contract Use) alongside BS EN 1729 Part 1 & 2, certifying it for both educational ergonomics and heavy-duty public use.
  • Designed for user safety: the anti-rocking mechanism ensures stability, while the anti-static finish prevents shocks in tech-heavy environments.
  • Hygiene maintenance is effortless. The high-impact polypropylene is resistant to industrial cleaning agents, making it ideal for high-turnover dining spaces.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, protecting your budget against breakage.
  • The chair is tested to support a static weight of 204kg, ensuring it safely accommodates a diverse user base.

The Yellow Postura+ (460mm) is the adult-sized solution for optimistic, high-energy environments. These specifications reflect its suitability for 14+ years, Higher Education, and severe contract use.

Dimensions
790mm (H) × 480mm (W) × 525mm (D)
Weight
3.73kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard adult height for 14+ and FE/HE
Material
30% recycled high-impact polypropylene
Sustainable, durable, and wipe-clean
Construction
Single-piece gas injection mould
Zero maintenance; certified for severe use
Ventilation
Lumbar ventilation window
Maintains comfort during long sessions
Edge Profile
Waterfall seat edge
Maintains circulation for adult users
Anti-static / Anti-rocking
Yes
Safe for IT suites; prevents tipping
Stackability
Up to 12 chairs
Enables rapid room reconfiguration
Weight Capacity
204kg
Heavy-duty rating suitable for all adults
Outdoor Suitability
UV filter
Resists fading in sunlight
Compliance
BS EN 16139 Level 2 / BS EN 1729
Certified for Severe Contract & Educational Use
Colour
Yellow (Sun)
Bright finish to boost mood and creativity

Dimensions strictly follow DfE size mark guidelines. Minor variations may occur due to manufacturing tolerances.

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 Best Yellow Chair for Creative & Social Spaces

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is included. We cover the transport costs, meaning the price you see is the price you pay, with no hidden freight fees.

Q: Is this chair suitable for adults?

A: Yes. The 460mm seat height is the standard dimension for adults and students aged 14+. It matches standard office and college desks.

Q: What does "BS EN 16139 Level 2" mean?

A: This is a rigorous certification for "Severe Contract Use." It means the chair has been tested to withstand heavier use than standard school chairs, making it ideal for universities and public areas.

Q: Where is Yellow best used?

A: Yellow is ideal for spaces that need to feel uplifted, such as creative hubs, student unions, and wellbeing rooms. It adds light and energy to any interior.

Q: Can I stack these chairs?

A: Yes, despite being the larger adult size, they still stack 12 high vertically on the floor. This is crucial for multi-use halls.

Q: Is it tough enough for heavy daily use?

A: Absolutely. It is rated to 204kg (32 stone) and has a 20-year warranty. The single-piece construction removes any weak points.

Q: Does the chair prevent rocking?

A: Yes. The rear legs are angled to resist tipping back, which improves safety in classrooms and lecture halls.

Q: Is it UK manufactured?

A: Yes, it is made in the UK. This ensures high quality, consistent colour matching, and supports the local economy.

Q: Why choose Cobolt Furniture?

A: We are B2B specialists for the education and workplace sectors. We offer Free UK Mainland Delivery, expert project advice, and reliable products designed for longevity.

Overview

Product Overview: Yellow Postura+ Chair (460mm, Ages 14+)

The Yellow (Sun) Postura+ (460mm) is designed to combat visual fatigue and inspire optimism. Tailored for the adult physique (14+), it provides a striking contrast to grey urban campuses and office blocks, offering a stimulating seating solution perfect for areas dedicated to brainstorming, socialising, and creative development.

Ergonomics for Adult Users

  • 460mm seat height aligns with standard adult desks and collaborative tables (710-760mm)
  • Sculpted lumbar support encourages an upright, alert posture essential for focus
  • Waterfall seat edge prevents pressure on the thighs during long workshops

Certified for Severe Use

  • Achieves BS EN 16139 Level 2 – independently tested to withstand severe use in public venues
  • Gas-injected legs ensure rigid stability for user weights up to 204kg
  • Single-piece construction removes weak points, ensuring longevity in high-traffic zones

The Power of Positivity

Yellow is psychometrically linked to confidence and mental agility. Utilizing this finish in breakout spaces or dark corners of a library can significantly lift the energy of the room and its occupants.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics to give you a transparent, budget-friendly price
  • UV Stability: Premium stabilisers prevent the vibrant yellow from fading in sunlit rooms
  • Seamless Logistics: Deliveries coordinated to suit your operational hours
  • 20-Year Warranty: A long-term promise of durability

Features & Benefits

Where is this Yellow adult stacking chair used?

The Yellow Postura+ (460mm) is specified for spaces that need to feel welcoming and alive. It is widely used in University "Think Tanks", Design Faculty Studios, Wellbeing Support Rooms, and Modern Canteens. Its severe use rating ensures it survives the heavy footfall of public and student use.

Key Features

  • Adult Dimensions – 460mm seat height is designed for 14+ years and adults, matching standard desk heights.
  • Severe Use Certified – Meets BS EN 16139 Level 2, ensuring it handles the heavy wear of public use.
  • High Density Stacking – Stacks 12 high vertically, allowing for flexible room layouts.
  • High Visibility – The Sun Yellow finish adds immediate warmth and brightness to any interior.
  • Safety Engineered – Anti-rock rear legs prevent tipping, and the material is anti-static.
  • Hygiene Ready – The smooth, non-porous surface resists stains and cleans easily.
  • Eco-Friendly – Manufactured in the UK using 30% recycled content and is 100% recyclable.
  • Lightweight Strength – Weighs just 3.73kg, making it easy to move, yet supports 204kg.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK Mainland Delivery
UK manufactured icon
UK manufactured

Cobolt Service & Ethos: Here to Make It Easy

  • Free Delivery (UK Mainland): We believe in simple pricing. The price you see includes transport to your facility.
  • Project Ownership: A dedicated expert will oversee your order, ideal for creative workspace fit-outs.
  • Flexible Scheduling: We work around your operational hours to deliver when it suits you.
  • Long-term Value: We supply products tested to the highest British Standards for longevity.

Safety & Warranty

Built for Safety. Backed for Years.

  • This chair is engineered for high-usage environments. It holds BS EN 16139 Level 2 (Severe Contract Use) alongside BS EN 1729 Part 1 & 2, certifying it for both educational ergonomics and heavy-duty public use.
  • Designed for user safety: the anti-rocking mechanism ensures stability, while the anti-static finish prevents shocks in tech-heavy environments.
  • Hygiene maintenance is effortless. The high-impact polypropylene is resistant to industrial cleaning agents, making it ideal for high-turnover dining spaces.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, protecting your budget against breakage.
  • The chair is tested to support a static weight of 204kg, ensuring it safely accommodates a diverse user base.

Specification Dimensions

The Yellow Postura+ (460mm) is the adult-sized solution for optimistic, high-energy environments. These specifications reflect its suitability for 14+ years, Higher Education, and severe contract use.

Dimensions
790mm (H) × 480mm (W) × 525mm (D)
Weight
3.73kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
460mm
Standard adult height for 14+ and FE/HE
Material
30% recycled high-impact polypropylene
Sustainable, durable, and wipe-clean
Construction
Single-piece gas injection mould
Zero maintenance; certified for severe use
Ventilation
Lumbar ventilation window
Maintains comfort during long sessions
Edge Profile
Waterfall seat edge
Maintains circulation for adult users
Anti-static / Anti-rocking
Yes
Safe for IT suites; prevents tipping
Stackability
Up to 12 chairs
Enables rapid room reconfiguration
Weight Capacity
204kg
Heavy-duty rating suitable for all adults
Outdoor Suitability
UV filter
Resists fading in sunlight
Compliance
BS EN 16139 Level 2 / BS EN 1729
Certified for Severe Contract & Educational Use
Colour
Yellow (Sun)
Bright finish to boost mood and creativity

Dimensions strictly follow DfE size mark guidelines. Minor variations may occur due to manufacturing tolerances.

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 Best Yellow Chair for Creative & Social Spaces

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is included. We cover the transport costs, meaning the price you see is the price you pay, with no hidden freight fees.

Q: Is this chair suitable for adults?

A: Yes. The 460mm seat height is the standard dimension for adults and students aged 14+. It matches standard office and college desks.

Q: What does "BS EN 16139 Level 2" mean?

A: This is a rigorous certification for "Severe Contract Use." It means the chair has been tested to withstand heavier use than standard school chairs, making it ideal for universities and public areas.

Q: Where is Yellow best used?

A: Yellow is ideal for spaces that need to feel uplifted, such as creative hubs, student unions, and wellbeing rooms. It adds light and energy to any interior.

Q: Can I stack these chairs?

A: Yes, despite being the larger adult size, they still stack 12 high vertically on the floor. This is crucial for multi-use halls.

Q: Is it tough enough for heavy daily use?

A: Absolutely. It is rated to 204kg (32 stone) and has a 20-year warranty. The single-piece construction removes any weak points.

Q: Does the chair prevent rocking?

A: Yes. The rear legs are angled to resist tipping back, which improves safety in classrooms and lecture halls.

Q: Is it UK manufactured?

A: Yes, it is made in the UK. This ensures high quality, consistent colour matching, and supports the local economy.

Q: Why choose Cobolt Furniture?

A: We are B2B specialists for the education and workplace sectors. We offer Free UK Mainland Delivery, expert project advice, and reliable products designed for longevity.

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