A yellow plastic chair with angled legs positioned in front of a desk in a modern classroom, with bookshelves and a projector screen behind.
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 (430mm, Ages 11–14)

The Yellow (Sun Yellow) Postura+ 430mm chair is designed to combat visual fatigue and boost morale. While retaining the market-leading durability of the Postura+ range, this vibrant finish transforms dull spaces into stimulating learning environments, making it a favourite for pastoral care rooms, libraries, and modern dining halls.

Ergonomics for Growing Bodies

  • 430mm seat height adheres to DfE Size 6 standards for ages 11–14
  • Sculpted backrest provides superior lumbar support to reduce slouching
  • Waterfall seat edge promotes healthy circulation during extended lessons

Engineered for Longevity

  • Single-piece gas injection moulding eliminates weak points and loose fittings
  • Impact-resistant material survives daily knocks in high-traffic corridors
  • UV stabilised finish ensures the yellow remains bright even in sunlit rooms

Psychology of Colour

Yellow is associated with optimism and energy. Utilising this colour in specific zones—such as breakout areas or creative labs—can help foster an atmosphere of openness and mental agility.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics costs, ensuring a straightforward, value-driven price
  • Consistent Quality: UK manufacturing guarantees reliable colour matching and supply continuity
  • Hassle-Free Service: We coordinate delivery times to suit your school's schedule
  • Guaranteed Performance: Backed by a 20-year warranty for total peace of mind

Where is this Yellow stacking chair used?

The Yellow Postura+ is an excellent choice for adding vibrancy to neutral spaces. It is widely used in SEN departments to create welcoming environments, in art and design studios to inspire creativity, and in school refectories to create a bright, appetizing atmosphere. Its robust build makes it suitable for any high-intensity use case.

Key Features

  • Compliance Assured (Size 6) – 430mm seat height meets BS EN 1729 requirements for the 11-14 year age bracket.
  • Efficient Storage – Stacks 12 high vertically, allowing for flexible room management and easy floor cleaning.
  • Maintenance Free – No screws, rivets, or metal legs to maintain. Simply wipe clean and go.
  • UV Resistant – The high-quality pigment includes UV filters to prevent the sunny yellow from fading or chalking.
  • Safety Design – Features anti-rock rear legs to prevent tipping, protecting students from falls.
  • Hygiene Friendly – The non-porous polypropylene repels dirt and bacteria, supporting infection control.
  • Sustainability – Manufactured using 30% recycled content and is 100% recyclable, reducing environmental impact.
  • Lightweight & Strong – Easy to lift (3.6kg) but tested to support a static load of 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 remove the barrier of shipping costs. The price you see is the price to get it to your door.
  • Dedicated Support: From enquiry to installation, you have a single point of contact who understands the education sector.
  • Logistics Experts: We plan deliveries around your term dates and opening hours to minimise disruption.
  • Trusted Quality: We only supply furniture that is proven to last, protecting your budget for the long term.

Built for Safety. Backed for Years.

  • Cobolt products are selected for their uncompromising safety standards. This chair is certified to BS EN 1729 Part 1 & 2, ensuring it supports correct posture and musculoskeletal health in young people.
  • Student safety is engineered in: the anti-rocking design resists tipping back, and the anti-static finish prevents static buildup in carpeted IT suites.
  • Hygiene is paramount. The chemically resistant polypropylene surface allows for the use of industrial cleaning agents without damage, ensuring high sanitary standards.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, giving you decades of reliability.
  • Fire retardant options are available, and the chair is load-tested to 204kg to safely accommodate a diverse range of users.

The Yellow (Sun) Postura+ 430mm chair combines brightness with heavy-duty performance for Year 7–9 pupils. These specifications ensure it meets the rigorous demands of modern educational facilities.

Dimensions
760mm (H) × 480mm (W) × 505mm (D)
Weight
3.6kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
430mm
Optimised for 11–14 year olds (DfE Size 6)
Material
30% recycled high-impact polypropylene
Durable, sustainable and easy to clean
Construction
Single-piece gas injection mould
Eliminates maintenance; virtually unbreakable
Ventilation
Lumbar ventilation window
Maintains comfort during exams or long lessons
Edge Profile
Waterfall seat edge
Supports circulation and reduces leg fatigue
Anti-static / Anti-rocking
Yes
Improves safety and prevents dust attraction
Stackability
Up to 12 chairs
Essential for multipurpose halls and cleaning
Weight Capacity
204kg
Robust strength for students and adults
Outdoor Suitability
UV filter
Prevents sun fading during outdoor use
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Verified for UK school use
Colour
Yellow (Sun)
Bright finish to boost mood and visibility

Dimensions adhere to DfE size mark guidelines and may vary slightly 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 Classroom Chair for Schools

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is standard. We cover the shipping costs, ensuring you get the best value for your budget without hidden fees.

Q: Why choose Yellow for a classroom?

A: Yellow is excellent for wellbeing and creativity. It brightens up spaces that lack natural light and can help create a positive, welcoming atmosphere in SEN or pastoral areas.

Q: Is it tough enough for daily use?

A: Absolutely. Despite the bright colour, it is made from the same high-impact polypropylene as the rest of the range and is tested to support 204kg.

Q: Will the colour fade over time?

A: No. The material is UV stabilised, meaning it holds its vibrant colour even if used in sunny atriums or occasionally outdoors.

Q: Is this chair suitable for Year 7-9?

A: Yes. The 430mm seat height corresponds to Size 6, which is the ergonomic standard for students aged 11-14 years.

Q: How easy is it to clean marks off yellow plastic?

A: Very easy. The surface is stain-resistant and can be wiped down with standard cleaning sprays. It is designed to repel dirt and graffiti.

Q: Does it have a warranty?

A: Yes, it comes with a market-leading 20-year warranty on the shell and legs, protecting your investment for decades.

Q: Can I stack them?

A: Yes, you can stack them up to 12 high on the floor. This is perfect for clearing space in multi-use halls.

Q: Why buy from Cobolt?

A: We are education furniture specialists. We offer Free UK Mainland Delivery, expert project advice, and UK-manufactured quality you can trust.

Overview

Product Overview: Yellow Postura+ Chair (430mm, Ages 11–14)

The Yellow (Sun Yellow) Postura+ 430mm chair is designed to combat visual fatigue and boost morale. While retaining the market-leading durability of the Postura+ range, this vibrant finish transforms dull spaces into stimulating learning environments, making it a favourite for pastoral care rooms, libraries, and modern dining halls.

Ergonomics for Growing Bodies

  • 430mm seat height adheres to DfE Size 6 standards for ages 11–14
  • Sculpted backrest provides superior lumbar support to reduce slouching
  • Waterfall seat edge promotes healthy circulation during extended lessons

Engineered for Longevity

  • Single-piece gas injection moulding eliminates weak points and loose fittings
  • Impact-resistant material survives daily knocks in high-traffic corridors
  • UV stabilised finish ensures the yellow remains bright even in sunlit rooms

Psychology of Colour

Yellow is associated with optimism and energy. Utilising this colour in specific zones—such as breakout areas or creative labs—can help foster an atmosphere of openness and mental agility.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics costs, ensuring a straightforward, value-driven price
  • Consistent Quality: UK manufacturing guarantees reliable colour matching and supply continuity
  • Hassle-Free Service: We coordinate delivery times to suit your school's schedule
  • Guaranteed Performance: Backed by a 20-year warranty for total peace of mind

Features & Benefits

Where is this Yellow stacking chair used?

The Yellow Postura+ is an excellent choice for adding vibrancy to neutral spaces. It is widely used in SEN departments to create welcoming environments, in art and design studios to inspire creativity, and in school refectories to create a bright, appetizing atmosphere. Its robust build makes it suitable for any high-intensity use case.

Key Features

  • Compliance Assured (Size 6) – 430mm seat height meets BS EN 1729 requirements for the 11-14 year age bracket.
  • Efficient Storage – Stacks 12 high vertically, allowing for flexible room management and easy floor cleaning.
  • Maintenance Free – No screws, rivets, or metal legs to maintain. Simply wipe clean and go.
  • UV Resistant – The high-quality pigment includes UV filters to prevent the sunny yellow from fading or chalking.
  • Safety Design – Features anti-rock rear legs to prevent tipping, protecting students from falls.
  • Hygiene Friendly – The non-porous polypropylene repels dirt and bacteria, supporting infection control.
  • Sustainability – Manufactured using 30% recycled content and is 100% recyclable, reducing environmental impact.
  • Lightweight & Strong – Easy to lift (3.6kg) but tested to support a static load of 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 remove the barrier of shipping costs. The price you see is the price to get it to your door.
  • Dedicated Support: From enquiry to installation, you have a single point of contact who understands the education sector.
  • Logistics Experts: We plan deliveries around your term dates and opening hours to minimise disruption.
  • Trusted Quality: We only supply furniture that is proven to last, protecting your budget for the long term.

Safety & Warranty

Built for Safety. Backed for Years.

  • Cobolt products are selected for their uncompromising safety standards. This chair is certified to BS EN 1729 Part 1 & 2, ensuring it supports correct posture and musculoskeletal health in young people.
  • Student safety is engineered in: the anti-rocking design resists tipping back, and the anti-static finish prevents static buildup in carpeted IT suites.
  • Hygiene is paramount. The chemically resistant polypropylene surface allows for the use of industrial cleaning agents without damage, ensuring high sanitary standards.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, giving you decades of reliability.
  • Fire retardant options are available, and the chair is load-tested to 204kg to safely accommodate a diverse range of users.

Specification Dimensions

The Yellow (Sun) Postura+ 430mm chair combines brightness with heavy-duty performance for Year 7–9 pupils. These specifications ensure it meets the rigorous demands of modern educational facilities.

Dimensions
760mm (H) × 480mm (W) × 505mm (D)
Weight
3.6kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
430mm
Optimised for 11–14 year olds (DfE Size 6)
Material
30% recycled high-impact polypropylene
Durable, sustainable and easy to clean
Construction
Single-piece gas injection mould
Eliminates maintenance; virtually unbreakable
Ventilation
Lumbar ventilation window
Maintains comfort during exams or long lessons
Edge Profile
Waterfall seat edge
Supports circulation and reduces leg fatigue
Anti-static / Anti-rocking
Yes
Improves safety and prevents dust attraction
Stackability
Up to 12 chairs
Essential for multipurpose halls and cleaning
Weight Capacity
204kg
Robust strength for students and adults
Outdoor Suitability
UV filter
Prevents sun fading during outdoor use
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Verified for UK school use
Colour
Yellow (Sun)
Bright finish to boost mood and visibility

Dimensions adhere to DfE size mark guidelines and may vary slightly 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 Classroom Chair for Schools

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is standard. We cover the shipping costs, ensuring you get the best value for your budget without hidden fees.

Q: Why choose Yellow for a classroom?

A: Yellow is excellent for wellbeing and creativity. It brightens up spaces that lack natural light and can help create a positive, welcoming atmosphere in SEN or pastoral areas.

Q: Is it tough enough for daily use?

A: Absolutely. Despite the bright colour, it is made from the same high-impact polypropylene as the rest of the range and is tested to support 204kg.

Q: Will the colour fade over time?

A: No. The material is UV stabilised, meaning it holds its vibrant colour even if used in sunny atriums or occasionally outdoors.

Q: Is this chair suitable for Year 7-9?

A: Yes. The 430mm seat height corresponds to Size 6, which is the ergonomic standard for students aged 11-14 years.

Q: How easy is it to clean marks off yellow plastic?

A: Very easy. The surface is stain-resistant and can be wiped down with standard cleaning sprays. It is designed to repel dirt and graffiti.

Q: Does it have a warranty?

A: Yes, it comes with a market-leading 20-year warranty on the shell and legs, protecting your investment for decades.

Q: Can I stack them?

A: Yes, you can stack them up to 12 high on the floor. This is perfect for clearing space in multi-use halls.

Q: Why buy from Cobolt?

A: We are education furniture specialists. We offer Free UK Mainland Delivery, expert project advice, and UK-manufactured quality you can trust.

Yellow Postura+ Ergonomic One Piece Classroom Chair - 11-14 Years

Product code: KI1114YE
Bring positivity and light into your classrooms with the Postura+ Ergonomic Chair in Sun Yellow. Precision-moulded for students aged 11-14 years (Size...

Inc VAT

Exc VAT

£42.00

£35.00

Height by Age - 11-14 Years
Colours - Yellow

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Yellow Postura+ Chair (430mm, Ages 11–14)

The Yellow (Sun Yellow) Postura+ 430mm chair is designed to combat visual fatigue and boost morale. While retaining the market-leading durability of the Postura+ range, this vibrant finish transforms dull spaces into stimulating learning environments, making it a favourite for pastoral care rooms, libraries, and modern dining halls.

Ergonomics for Growing Bodies

  • 430mm seat height adheres to DfE Size 6 standards for ages 11–14
  • Sculpted backrest provides superior lumbar support to reduce slouching
  • Waterfall seat edge promotes healthy circulation during extended lessons

Engineered for Longevity

  • Single-piece gas injection moulding eliminates weak points and loose fittings
  • Impact-resistant material survives daily knocks in high-traffic corridors
  • UV stabilised finish ensures the yellow remains bright even in sunlit rooms

Psychology of Colour

Yellow is associated with optimism and energy. Utilising this colour in specific zones—such as breakout areas or creative labs—can help foster an atmosphere of openness and mental agility.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics costs, ensuring a straightforward, value-driven price
  • Consistent Quality: UK manufacturing guarantees reliable colour matching and supply continuity
  • Hassle-Free Service: We coordinate delivery times to suit your school's schedule
  • Guaranteed Performance: Backed by a 20-year warranty for total peace of mind

Where is this Yellow stacking chair used?

The Yellow Postura+ is an excellent choice for adding vibrancy to neutral spaces. It is widely used in SEN departments to create welcoming environments, in art and design studios to inspire creativity, and in school refectories to create a bright, appetizing atmosphere. Its robust build makes it suitable for any high-intensity use case.

Key Features

  • Compliance Assured (Size 6) – 430mm seat height meets BS EN 1729 requirements for the 11-14 year age bracket.
  • Efficient Storage – Stacks 12 high vertically, allowing for flexible room management and easy floor cleaning.
  • Maintenance Free – No screws, rivets, or metal legs to maintain. Simply wipe clean and go.
  • UV Resistant – The high-quality pigment includes UV filters to prevent the sunny yellow from fading or chalking.
  • Safety Design – Features anti-rock rear legs to prevent tipping, protecting students from falls.
  • Hygiene Friendly – The non-porous polypropylene repels dirt and bacteria, supporting infection control.
  • Sustainability – Manufactured using 30% recycled content and is 100% recyclable, reducing environmental impact.
  • Lightweight & Strong – Easy to lift (3.6kg) but tested to support a static load of 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 remove the barrier of shipping costs. The price you see is the price to get it to your door.
  • Dedicated Support: From enquiry to installation, you have a single point of contact who understands the education sector.
  • Logistics Experts: We plan deliveries around your term dates and opening hours to minimise disruption.
  • Trusted Quality: We only supply furniture that is proven to last, protecting your budget for the long term.

Built for Safety. Backed for Years.

  • Cobolt products are selected for their uncompromising safety standards. This chair is certified to BS EN 1729 Part 1 & 2, ensuring it supports correct posture and musculoskeletal health in young people.
  • Student safety is engineered in: the anti-rocking design resists tipping back, and the anti-static finish prevents static buildup in carpeted IT suites.
  • Hygiene is paramount. The chemically resistant polypropylene surface allows for the use of industrial cleaning agents without damage, ensuring high sanitary standards.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, giving you decades of reliability.
  • Fire retardant options are available, and the chair is load-tested to 204kg to safely accommodate a diverse range of users.

The Yellow (Sun) Postura+ 430mm chair combines brightness with heavy-duty performance for Year 7–9 pupils. These specifications ensure it meets the rigorous demands of modern educational facilities.

Dimensions
760mm (H) × 480mm (W) × 505mm (D)
Weight
3.6kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
430mm
Optimised for 11–14 year olds (DfE Size 6)
Material
30% recycled high-impact polypropylene
Durable, sustainable and easy to clean
Construction
Single-piece gas injection mould
Eliminates maintenance; virtually unbreakable
Ventilation
Lumbar ventilation window
Maintains comfort during exams or long lessons
Edge Profile
Waterfall seat edge
Supports circulation and reduces leg fatigue
Anti-static / Anti-rocking
Yes
Improves safety and prevents dust attraction
Stackability
Up to 12 chairs
Essential for multipurpose halls and cleaning
Weight Capacity
204kg
Robust strength for students and adults
Outdoor Suitability
UV filter
Prevents sun fading during outdoor use
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Verified for UK school use
Colour
Yellow (Sun)
Bright finish to boost mood and visibility

Dimensions adhere to DfE size mark guidelines and may vary slightly 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 Classroom Chair for Schools

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is standard. We cover the shipping costs, ensuring you get the best value for your budget without hidden fees.

Q: Why choose Yellow for a classroom?

A: Yellow is excellent for wellbeing and creativity. It brightens up spaces that lack natural light and can help create a positive, welcoming atmosphere in SEN or pastoral areas.

Q: Is it tough enough for daily use?

A: Absolutely. Despite the bright colour, it is made from the same high-impact polypropylene as the rest of the range and is tested to support 204kg.

Q: Will the colour fade over time?

A: No. The material is UV stabilised, meaning it holds its vibrant colour even if used in sunny atriums or occasionally outdoors.

Q: Is this chair suitable for Year 7-9?

A: Yes. The 430mm seat height corresponds to Size 6, which is the ergonomic standard for students aged 11-14 years.

Q: How easy is it to clean marks off yellow plastic?

A: Very easy. The surface is stain-resistant and can be wiped down with standard cleaning sprays. It is designed to repel dirt and graffiti.

Q: Does it have a warranty?

A: Yes, it comes with a market-leading 20-year warranty on the shell and legs, protecting your investment for decades.

Q: Can I stack them?

A: Yes, you can stack them up to 12 high on the floor. This is perfect for clearing space in multi-use halls.

Q: Why buy from Cobolt?

A: We are education furniture specialists. We offer Free UK Mainland Delivery, expert project advice, and UK-manufactured quality you can trust.

Overview

Product Overview: Yellow Postura+ Chair (430mm, Ages 11–14)

The Yellow (Sun Yellow) Postura+ 430mm chair is designed to combat visual fatigue and boost morale. While retaining the market-leading durability of the Postura+ range, this vibrant finish transforms dull spaces into stimulating learning environments, making it a favourite for pastoral care rooms, libraries, and modern dining halls.

Ergonomics for Growing Bodies

  • 430mm seat height adheres to DfE Size 6 standards for ages 11–14
  • Sculpted backrest provides superior lumbar support to reduce slouching
  • Waterfall seat edge promotes healthy circulation during extended lessons

Engineered for Longevity

  • Single-piece gas injection moulding eliminates weak points and loose fittings
  • Impact-resistant material survives daily knocks in high-traffic corridors
  • UV stabilised finish ensures the yellow remains bright even in sunlit rooms

Psychology of Colour

Yellow is associated with optimism and energy. Utilising this colour in specific zones—such as breakout areas or creative labs—can help foster an atmosphere of openness and mental agility.

The Cobolt Commitment

  • Free UK Mainland Delivery: We cover the logistics costs, ensuring a straightforward, value-driven price
  • Consistent Quality: UK manufacturing guarantees reliable colour matching and supply continuity
  • Hassle-Free Service: We coordinate delivery times to suit your school's schedule
  • Guaranteed Performance: Backed by a 20-year warranty for total peace of mind

Features & Benefits

Where is this Yellow stacking chair used?

The Yellow Postura+ is an excellent choice for adding vibrancy to neutral spaces. It is widely used in SEN departments to create welcoming environments, in art and design studios to inspire creativity, and in school refectories to create a bright, appetizing atmosphere. Its robust build makes it suitable for any high-intensity use case.

Key Features

  • Compliance Assured (Size 6) – 430mm seat height meets BS EN 1729 requirements for the 11-14 year age bracket.
  • Efficient Storage – Stacks 12 high vertically, allowing for flexible room management and easy floor cleaning.
  • Maintenance Free – No screws, rivets, or metal legs to maintain. Simply wipe clean and go.
  • UV Resistant – The high-quality pigment includes UV filters to prevent the sunny yellow from fading or chalking.
  • Safety Design – Features anti-rock rear legs to prevent tipping, protecting students from falls.
  • Hygiene Friendly – The non-porous polypropylene repels dirt and bacteria, supporting infection control.
  • Sustainability – Manufactured using 30% recycled content and is 100% recyclable, reducing environmental impact.
  • Lightweight & Strong – Easy to lift (3.6kg) but tested to support a static load of 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 remove the barrier of shipping costs. The price you see is the price to get it to your door.
  • Dedicated Support: From enquiry to installation, you have a single point of contact who understands the education sector.
  • Logistics Experts: We plan deliveries around your term dates and opening hours to minimise disruption.
  • Trusted Quality: We only supply furniture that is proven to last, protecting your budget for the long term.

Safety & Warranty

Built for Safety. Backed for Years.

  • Cobolt products are selected for their uncompromising safety standards. This chair is certified to BS EN 1729 Part 1 & 2, ensuring it supports correct posture and musculoskeletal health in young people.
  • Student safety is engineered in: the anti-rocking design resists tipping back, and the anti-static finish prevents static buildup in carpeted IT suites.
  • Hygiene is paramount. The chemically resistant polypropylene surface allows for the use of industrial cleaning agents without damage, ensuring high sanitary standards.
  • We offer a comprehensive 20-year manufacturer's warranty. This covers the structural integrity of the shell and legs, giving you decades of reliability.
  • Fire retardant options are available, and the chair is load-tested to 204kg to safely accommodate a diverse range of users.

Specification Dimensions

The Yellow (Sun) Postura+ 430mm chair combines brightness with heavy-duty performance for Year 7–9 pupils. These specifications ensure it meets the rigorous demands of modern educational facilities.

Dimensions
760mm (H) × 480mm (W) × 505mm (D)
Weight
3.6kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
430mm
Optimised for 11–14 year olds (DfE Size 6)
Material
30% recycled high-impact polypropylene
Durable, sustainable and easy to clean
Construction
Single-piece gas injection mould
Eliminates maintenance; virtually unbreakable
Ventilation
Lumbar ventilation window
Maintains comfort during exams or long lessons
Edge Profile
Waterfall seat edge
Supports circulation and reduces leg fatigue
Anti-static / Anti-rocking
Yes
Improves safety and prevents dust attraction
Stackability
Up to 12 chairs
Essential for multipurpose halls and cleaning
Weight Capacity
204kg
Robust strength for students and adults
Outdoor Suitability
UV filter
Prevents sun fading during outdoor use
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Verified for UK school use
Colour
Yellow (Sun)
Bright finish to boost mood and visibility

Dimensions adhere to DfE size mark guidelines and may vary slightly 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 Classroom Chair for Schools

Q: Is delivery included in the price?

A: Yes, Free UK Mainland Delivery is standard. We cover the shipping costs, ensuring you get the best value for your budget without hidden fees.

Q: Why choose Yellow for a classroom?

A: Yellow is excellent for wellbeing and creativity. It brightens up spaces that lack natural light and can help create a positive, welcoming atmosphere in SEN or pastoral areas.

Q: Is it tough enough for daily use?

A: Absolutely. Despite the bright colour, it is made from the same high-impact polypropylene as the rest of the range and is tested to support 204kg.

Q: Will the colour fade over time?

A: No. The material is UV stabilised, meaning it holds its vibrant colour even if used in sunny atriums or occasionally outdoors.

Q: Is this chair suitable for Year 7-9?

A: Yes. The 430mm seat height corresponds to Size 6, which is the ergonomic standard for students aged 11-14 years.

Q: How easy is it to clean marks off yellow plastic?

A: Very easy. The surface is stain-resistant and can be wiped down with standard cleaning sprays. It is designed to repel dirt and graffiti.

Q: Does it have a warranty?

A: Yes, it comes with a market-leading 20-year warranty on the shell and legs, protecting your investment for decades.

Q: Can I stack them?

A: Yes, you can stack them up to 12 high on the floor. This is perfect for clearing space in multi-use halls.

Q: Why buy from Cobolt?

A: We are education furniture specialists. We offer Free UK Mainland Delivery, expert project advice, and UK-manufactured quality you can trust.

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