A durable dark grey plastic chair set within an art studio, next to a wheeled trolley stocked with brushes and paints, on a splattered concrete floor.
Dark grey KI Europe Postura+ chair with a sleek industrial look, contoured seat, and durable build for high-traffic educational environments.
Dark grey KI Europe Postura+ chair with a charcoal hue and robust plastic frame, suited for high-use institutional environments.
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: Dark Grey Postura+ Chair (380mm, Ages 8–11)

The Dark Grey Postura+ 380mm chair offers a professional, understated look for KS2 classrooms, combining neutral styling with proven ergonomic support for pupils aged 8–11. It is designed to integrate seamlessly into a wide range of colour schemes and classroom layouts.

Ergonomic Seating for KS2 Pupils

  • 380mm seat height matched to DfE size mark 4 for ages 8–11
  • Contoured backrest helping pupils maintain upright posture in lessons
  • Waterfall seat edge reducing pressure on legs for improved comfort

Robust One-Piece Design

  • Single-piece polypropylene shell with no joints or screws to loosen
  • Gas-injected legs increasing strength for daily classroom demands
  • Lightweight 2.42kg chair with an integrated handle for easy movement

Dark Grey for Flexible, Professional Interiors

The Dark Grey finish provides a versatile, professional aesthetic that works across classrooms, ICT suites and multi-use learning spaces. It pairs well with both bright accent colours and more muted, corporate-inspired schemes.

Why Cobolt: Support & Delivery Schools Can Rely On

  • Free UK mainland delivery on every Dark Grey Postura+ chair
  • Over 50 years of experience supporting schools, MATs and public-sector sites
  • Tracked, carefully coordinated deliveries managed by Cobolt’s in-house logistics team
  • Dedicated account managers providing knowledgeable, responsive support from enquiry to aftercare

Where the Dark Grey Postura+ Chair Performs Best

The Dark Grey Postura+ 380mm chair is particularly well suited to KS2 classrooms, ICT rooms, shared learning hubs, SEND-aware environments and multi-purpose teaching spaces. Its neutral, professional tone helps create cohesive interiors, while the ergonomic design supports comfort and concentration for pupils aged 8–11.

Key Features

  • 380mm seat height – designed specifically for KS2 pupils aged 8–11.
  • One-piece polypropylene shell – no loose fixings, fewer weak points.
  • 30% recycled high-impact material – durable, reliable and easy-care.
  • Gas-injected legs – adds rigidity for everyday stacking and movement.
  • Ventilated back window – helps maintain comfort through longer seated sessions.
  • Anti-static, anti-rocking base – enhances stability in busy classrooms.
  • Stain-resistant, non-porous surface – wipes clean quickly after lessons and activities.
  • UV-stable Dark Grey finish – suitable for occasional sheltered outdoor learning.
  • Stacks up to 12 chairs – supports flexible layouts and efficient storage.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK mainland delivery
UK manufactured icon
UK manufactured
BS EN 1729 compliant icon
BS EN 1729 compliant

The Cobolt Advantage

  • Free UK mainland delivery on every Dark Grey Postura+ chair.
  • More than 50 years of industry knowledge helping schools and MATs specify the right sizes and layouts.
  • Tracked, dependable delivery managed by Cobolt’s own logistics team for added reassurance.
  • Personal, account-managed support focused on removing complexity and making procurement straightforward.

Safety & Warranty for Dark Grey Postura+ 380mm Chairs

  • BS EN 1729–1:2015 certified to support correct KS2 ergonomic posture
  • BS EN 1729–2:2023 compliant for strength, stability and structural performance
  • Anti-rocking base geometry helps minimise tipping in active classroom settings
  • Non-porous, stain-resistant surface supports effective daily cleaning and hygiene
  • Backed by a 20-year warranty covering structural integrity and material performance

The Dark Grey Postura+ 380mm chair is engineered to meet KS2 ergonomic standards while providing durable, easy-care performance for busy classrooms and shared spaces. These specifications support accurate planning for upper-primary environments.

Dimensions
675mm (H) × 430mm (W) × 440mm (D)
Weight
2.42kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Sized for pupils aged 8–11 in line with DfE size mark 4
Material
30% recycled high-impact polypropylene
Lightweight, robust and suitable for daily KS2 use
Construction
One-piece mould with gas-injected legs
Reduces weak points and increases structural strength
Ventilation
Back ventilation window
Supports airflow and comfort in longer seated sessions
Edge Profile
Waterfall seat edge
Improves leg comfort and circulation for KS2 pupils
Anti-static / Anti-rocking
Yes
Enhances safety in active, high-energy classrooms
Stackability
Up to 12 chairs
Supports efficient storage in multi-use spaces
Outdoor Suitability
UV filter
Suitable for occasional use in sheltered outdoor learning areas
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Meets UK standards for classroom ergonomics, strength and durability
Colour
Dark Grey
Neutral, professional shade suitable for a wide range of interior schemes

Dimensions follow DfE size mark 4 and may vary slightly within standard 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: Dark Grey Postura+ 380mm Classroom Chair (Ages 8–11)

Q: Which age group is the Dark Grey 380mm Postura+ chair designed for?

A: It is designed for pupils aged 8–11 and follows DfE size mark 4 guidance for KS2 seating.

Q: Why choose a Dark Grey chair for our KS2 classrooms?

A: Dark Grey is a versatile, neutral colour that works with most palettes, making it ideal for ICT rooms, shared hubs and modern classrooms.

Q: Is the Dark Grey Postura+ robust enough for daily school use?

A: Yes—the one-piece moulded shell and gas-injected legs are built for frequent movement, stacking and everyday KS2 activity.

Q: Do you offer free delivery on these chairs?

A: Cobolt provides free UK mainland delivery on all Postura+ chairs, giving clear, predictable costs for schools and MATs.

Q: Are the chairs easy to clean and maintain?

A: The stain-resistant, non-porous surface wipes clean quickly, helping staff maintain hygiene between lessons and activities.

Q: How many Dark Grey chairs can be stacked together?

A: Up to 12 chairs can be stacked safely, making them ideal for flexible, multi-use teaching spaces.

Q: Can these chairs be used outdoors?

A: They include a UV filter, making them suitable for occasional use in sheltered outdoor learning areas, with indoor storage recommended.

Q: What does the 20-year warranty cover?

A: The warranty covers structural integrity and material performance under normal educational use, providing long-term peace of mind.

Overview

Product Overview: Dark Grey Postura+ Chair (380mm, Ages 8–11)

The Dark Grey Postura+ 380mm chair offers a professional, understated look for KS2 classrooms, combining neutral styling with proven ergonomic support for pupils aged 8–11. It is designed to integrate seamlessly into a wide range of colour schemes and classroom layouts.

Ergonomic Seating for KS2 Pupils

  • 380mm seat height matched to DfE size mark 4 for ages 8–11
  • Contoured backrest helping pupils maintain upright posture in lessons
  • Waterfall seat edge reducing pressure on legs for improved comfort

Robust One-Piece Design

  • Single-piece polypropylene shell with no joints or screws to loosen
  • Gas-injected legs increasing strength for daily classroom demands
  • Lightweight 2.42kg chair with an integrated handle for easy movement

Dark Grey for Flexible, Professional Interiors

The Dark Grey finish provides a versatile, professional aesthetic that works across classrooms, ICT suites and multi-use learning spaces. It pairs well with both bright accent colours and more muted, corporate-inspired schemes.

Why Cobolt: Support & Delivery Schools Can Rely On

  • Free UK mainland delivery on every Dark Grey Postura+ chair
  • Over 50 years of experience supporting schools, MATs and public-sector sites
  • Tracked, carefully coordinated deliveries managed by Cobolt’s in-house logistics team
  • Dedicated account managers providing knowledgeable, responsive support from enquiry to aftercare

Features & Benefits

Where the Dark Grey Postura+ Chair Performs Best

The Dark Grey Postura+ 380mm chair is particularly well suited to KS2 classrooms, ICT rooms, shared learning hubs, SEND-aware environments and multi-purpose teaching spaces. Its neutral, professional tone helps create cohesive interiors, while the ergonomic design supports comfort and concentration for pupils aged 8–11.

Key Features

  • 380mm seat height – designed specifically for KS2 pupils aged 8–11.
  • One-piece polypropylene shell – no loose fixings, fewer weak points.
  • 30% recycled high-impact material – durable, reliable and easy-care.
  • Gas-injected legs – adds rigidity for everyday stacking and movement.
  • Ventilated back window – helps maintain comfort through longer seated sessions.
  • Anti-static, anti-rocking base – enhances stability in busy classrooms.
  • Stain-resistant, non-porous surface – wipes clean quickly after lessons and activities.
  • UV-stable Dark Grey finish – suitable for occasional sheltered outdoor learning.
  • Stacks up to 12 chairs – supports flexible layouts and efficient storage.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK mainland delivery
UK manufactured icon
UK manufactured
BS EN 1729 compliant icon
BS EN 1729 compliant

The Cobolt Advantage

  • Free UK mainland delivery on every Dark Grey Postura+ chair.
  • More than 50 years of industry knowledge helping schools and MATs specify the right sizes and layouts.
  • Tracked, dependable delivery managed by Cobolt’s own logistics team for added reassurance.
  • Personal, account-managed support focused on removing complexity and making procurement straightforward.

Safety & Warranty

Safety & Warranty for Dark Grey Postura+ 380mm Chairs

  • BS EN 1729–1:2015 certified to support correct KS2 ergonomic posture
  • BS EN 1729–2:2023 compliant for strength, stability and structural performance
  • Anti-rocking base geometry helps minimise tipping in active classroom settings
  • Non-porous, stain-resistant surface supports effective daily cleaning and hygiene
  • Backed by a 20-year warranty covering structural integrity and material performance

Specification Dimensions

The Dark Grey Postura+ 380mm chair is engineered to meet KS2 ergonomic standards while providing durable, easy-care performance for busy classrooms and shared spaces. These specifications support accurate planning for upper-primary environments.

Dimensions
675mm (H) × 430mm (W) × 440mm (D)
Weight
2.42kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Sized for pupils aged 8–11 in line with DfE size mark 4
Material
30% recycled high-impact polypropylene
Lightweight, robust and suitable for daily KS2 use
Construction
One-piece mould with gas-injected legs
Reduces weak points and increases structural strength
Ventilation
Back ventilation window
Supports airflow and comfort in longer seated sessions
Edge Profile
Waterfall seat edge
Improves leg comfort and circulation for KS2 pupils
Anti-static / Anti-rocking
Yes
Enhances safety in active, high-energy classrooms
Stackability
Up to 12 chairs
Supports efficient storage in multi-use spaces
Outdoor Suitability
UV filter
Suitable for occasional use in sheltered outdoor learning areas
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Meets UK standards for classroom ergonomics, strength and durability
Colour
Dark Grey
Neutral, professional shade suitable for a wide range of interior schemes

Dimensions follow DfE size mark 4 and may vary slightly within standard 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: Dark Grey Postura+ 380mm Classroom Chair (Ages 8–11)

Q: Which age group is the Dark Grey 380mm Postura+ chair designed for?

A: It is designed for pupils aged 8–11 and follows DfE size mark 4 guidance for KS2 seating.

Q: Why choose a Dark Grey chair for our KS2 classrooms?

A: Dark Grey is a versatile, neutral colour that works with most palettes, making it ideal for ICT rooms, shared hubs and modern classrooms.

Q: Is the Dark Grey Postura+ robust enough for daily school use?

A: Yes—the one-piece moulded shell and gas-injected legs are built for frequent movement, stacking and everyday KS2 activity.

Q: Do you offer free delivery on these chairs?

A: Cobolt provides free UK mainland delivery on all Postura+ chairs, giving clear, predictable costs for schools and MATs.

Q: Are the chairs easy to clean and maintain?

A: The stain-resistant, non-porous surface wipes clean quickly, helping staff maintain hygiene between lessons and activities.

Q: How many Dark Grey chairs can be stacked together?

A: Up to 12 chairs can be stacked safely, making them ideal for flexible, multi-use teaching spaces.

Q: Can these chairs be used outdoors?

A: They include a UV filter, making them suitable for occasional use in sheltered outdoor learning areas, with indoor storage recommended.

Q: What does the 20-year warranty cover?

A: The warranty covers structural integrity and material performance under normal educational use, providing long-term peace of mind.

Dark Grey Postura+ Ergonomic One Piece Classroom Chair - 8-11 Years

Product code: KI811DG
The Dark Grey Postura+ 380mm Classroom Chair delivers a smart, neutral finish that suits almost any KS2 interior, from traditional classrooms to mode...

Inc VAT

Exc VAT

£38.00

£31.67

Height by Age - 8-11 Years
Colours - Dark Grey

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Dark Grey Postura+ Chair (380mm, Ages 8–11)

The Dark Grey Postura+ 380mm chair offers a professional, understated look for KS2 classrooms, combining neutral styling with proven ergonomic support for pupils aged 8–11. It is designed to integrate seamlessly into a wide range of colour schemes and classroom layouts.

Ergonomic Seating for KS2 Pupils

  • 380mm seat height matched to DfE size mark 4 for ages 8–11
  • Contoured backrest helping pupils maintain upright posture in lessons
  • Waterfall seat edge reducing pressure on legs for improved comfort

Robust One-Piece Design

  • Single-piece polypropylene shell with no joints or screws to loosen
  • Gas-injected legs increasing strength for daily classroom demands
  • Lightweight 2.42kg chair with an integrated handle for easy movement

Dark Grey for Flexible, Professional Interiors

The Dark Grey finish provides a versatile, professional aesthetic that works across classrooms, ICT suites and multi-use learning spaces. It pairs well with both bright accent colours and more muted, corporate-inspired schemes.

Why Cobolt: Support & Delivery Schools Can Rely On

  • Free UK mainland delivery on every Dark Grey Postura+ chair
  • Over 50 years of experience supporting schools, MATs and public-sector sites
  • Tracked, carefully coordinated deliveries managed by Cobolt’s in-house logistics team
  • Dedicated account managers providing knowledgeable, responsive support from enquiry to aftercare

Where the Dark Grey Postura+ Chair Performs Best

The Dark Grey Postura+ 380mm chair is particularly well suited to KS2 classrooms, ICT rooms, shared learning hubs, SEND-aware environments and multi-purpose teaching spaces. Its neutral, professional tone helps create cohesive interiors, while the ergonomic design supports comfort and concentration for pupils aged 8–11.

Key Features

  • 380mm seat height – designed specifically for KS2 pupils aged 8–11.
  • One-piece polypropylene shell – no loose fixings, fewer weak points.
  • 30% recycled high-impact material – durable, reliable and easy-care.
  • Gas-injected legs – adds rigidity for everyday stacking and movement.
  • Ventilated back window – helps maintain comfort through longer seated sessions.
  • Anti-static, anti-rocking base – enhances stability in busy classrooms.
  • Stain-resistant, non-porous surface – wipes clean quickly after lessons and activities.
  • UV-stable Dark Grey finish – suitable for occasional sheltered outdoor learning.
  • Stacks up to 12 chairs – supports flexible layouts and efficient storage.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK mainland delivery
UK manufactured icon
UK manufactured
BS EN 1729 compliant icon
BS EN 1729 compliant

The Cobolt Advantage

  • Free UK mainland delivery on every Dark Grey Postura+ chair.
  • More than 50 years of industry knowledge helping schools and MATs specify the right sizes and layouts.
  • Tracked, dependable delivery managed by Cobolt’s own logistics team for added reassurance.
  • Personal, account-managed support focused on removing complexity and making procurement straightforward.

Safety & Warranty for Dark Grey Postura+ 380mm Chairs

  • BS EN 1729–1:2015 certified to support correct KS2 ergonomic posture
  • BS EN 1729–2:2023 compliant for strength, stability and structural performance
  • Anti-rocking base geometry helps minimise tipping in active classroom settings
  • Non-porous, stain-resistant surface supports effective daily cleaning and hygiene
  • Backed by a 20-year warranty covering structural integrity and material performance

The Dark Grey Postura+ 380mm chair is engineered to meet KS2 ergonomic standards while providing durable, easy-care performance for busy classrooms and shared spaces. These specifications support accurate planning for upper-primary environments.

Dimensions
675mm (H) × 430mm (W) × 440mm (D)
Weight
2.42kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Sized for pupils aged 8–11 in line with DfE size mark 4
Material
30% recycled high-impact polypropylene
Lightweight, robust and suitable for daily KS2 use
Construction
One-piece mould with gas-injected legs
Reduces weak points and increases structural strength
Ventilation
Back ventilation window
Supports airflow and comfort in longer seated sessions
Edge Profile
Waterfall seat edge
Improves leg comfort and circulation for KS2 pupils
Anti-static / Anti-rocking
Yes
Enhances safety in active, high-energy classrooms
Stackability
Up to 12 chairs
Supports efficient storage in multi-use spaces
Outdoor Suitability
UV filter
Suitable for occasional use in sheltered outdoor learning areas
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Meets UK standards for classroom ergonomics, strength and durability
Colour
Dark Grey
Neutral, professional shade suitable for a wide range of interior schemes

Dimensions follow DfE size mark 4 and may vary slightly within standard 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: Dark Grey Postura+ 380mm Classroom Chair (Ages 8–11)

Q: Which age group is the Dark Grey 380mm Postura+ chair designed for?

A: It is designed for pupils aged 8–11 and follows DfE size mark 4 guidance for KS2 seating.

Q: Why choose a Dark Grey chair for our KS2 classrooms?

A: Dark Grey is a versatile, neutral colour that works with most palettes, making it ideal for ICT rooms, shared hubs and modern classrooms.

Q: Is the Dark Grey Postura+ robust enough for daily school use?

A: Yes—the one-piece moulded shell and gas-injected legs are built for frequent movement, stacking and everyday KS2 activity.

Q: Do you offer free delivery on these chairs?

A: Cobolt provides free UK mainland delivery on all Postura+ chairs, giving clear, predictable costs for schools and MATs.

Q: Are the chairs easy to clean and maintain?

A: The stain-resistant, non-porous surface wipes clean quickly, helping staff maintain hygiene between lessons and activities.

Q: How many Dark Grey chairs can be stacked together?

A: Up to 12 chairs can be stacked safely, making them ideal for flexible, multi-use teaching spaces.

Q: Can these chairs be used outdoors?

A: They include a UV filter, making them suitable for occasional use in sheltered outdoor learning areas, with indoor storage recommended.

Q: What does the 20-year warranty cover?

A: The warranty covers structural integrity and material performance under normal educational use, providing long-term peace of mind.

Overview

Product Overview: Dark Grey Postura+ Chair (380mm, Ages 8–11)

The Dark Grey Postura+ 380mm chair offers a professional, understated look for KS2 classrooms, combining neutral styling with proven ergonomic support for pupils aged 8–11. It is designed to integrate seamlessly into a wide range of colour schemes and classroom layouts.

Ergonomic Seating for KS2 Pupils

  • 380mm seat height matched to DfE size mark 4 for ages 8–11
  • Contoured backrest helping pupils maintain upright posture in lessons
  • Waterfall seat edge reducing pressure on legs for improved comfort

Robust One-Piece Design

  • Single-piece polypropylene shell with no joints or screws to loosen
  • Gas-injected legs increasing strength for daily classroom demands
  • Lightweight 2.42kg chair with an integrated handle for easy movement

Dark Grey for Flexible, Professional Interiors

The Dark Grey finish provides a versatile, professional aesthetic that works across classrooms, ICT suites and multi-use learning spaces. It pairs well with both bright accent colours and more muted, corporate-inspired schemes.

Why Cobolt: Support & Delivery Schools Can Rely On

  • Free UK mainland delivery on every Dark Grey Postura+ chair
  • Over 50 years of experience supporting schools, MATs and public-sector sites
  • Tracked, carefully coordinated deliveries managed by Cobolt’s in-house logistics team
  • Dedicated account managers providing knowledgeable, responsive support from enquiry to aftercare

Features & Benefits

Where the Dark Grey Postura+ Chair Performs Best

The Dark Grey Postura+ 380mm chair is particularly well suited to KS2 classrooms, ICT rooms, shared learning hubs, SEND-aware environments and multi-purpose teaching spaces. Its neutral, professional tone helps create cohesive interiors, while the ergonomic design supports comfort and concentration for pupils aged 8–11.

Key Features

  • 380mm seat height – designed specifically for KS2 pupils aged 8–11.
  • One-piece polypropylene shell – no loose fixings, fewer weak points.
  • 30% recycled high-impact material – durable, reliable and easy-care.
  • Gas-injected legs – adds rigidity for everyday stacking and movement.
  • Ventilated back window – helps maintain comfort through longer seated sessions.
  • Anti-static, anti-rocking base – enhances stability in busy classrooms.
  • Stain-resistant, non-porous surface – wipes clean quickly after lessons and activities.
  • UV-stable Dark Grey finish – suitable for occasional sheltered outdoor learning.
  • Stacks up to 12 chairs – supports flexible layouts and efficient storage.
20-year warranty icon
20-year warranty
Free delivery icon
Free UK mainland delivery
UK manufactured icon
UK manufactured
BS EN 1729 compliant icon
BS EN 1729 compliant

The Cobolt Advantage

  • Free UK mainland delivery on every Dark Grey Postura+ chair.
  • More than 50 years of industry knowledge helping schools and MATs specify the right sizes and layouts.
  • Tracked, dependable delivery managed by Cobolt’s own logistics team for added reassurance.
  • Personal, account-managed support focused on removing complexity and making procurement straightforward.

Safety & Warranty

Safety & Warranty for Dark Grey Postura+ 380mm Chairs

  • BS EN 1729–1:2015 certified to support correct KS2 ergonomic posture
  • BS EN 1729–2:2023 compliant for strength, stability and structural performance
  • Anti-rocking base geometry helps minimise tipping in active classroom settings
  • Non-porous, stain-resistant surface supports effective daily cleaning and hygiene
  • Backed by a 20-year warranty covering structural integrity and material performance

Specification Dimensions

The Dark Grey Postura+ 380mm chair is engineered to meet KS2 ergonomic standards while providing durable, easy-care performance for busy classrooms and shared spaces. These specifications support accurate planning for upper-primary environments.

Dimensions
675mm (H) × 430mm (W) × 440mm (D)
Weight
2.42kg
Warranty
20 years
Specification
Details
Purpose / Benefit
Seat Height
380mm
Sized for pupils aged 8–11 in line with DfE size mark 4
Material
30% recycled high-impact polypropylene
Lightweight, robust and suitable for daily KS2 use
Construction
One-piece mould with gas-injected legs
Reduces weak points and increases structural strength
Ventilation
Back ventilation window
Supports airflow and comfort in longer seated sessions
Edge Profile
Waterfall seat edge
Improves leg comfort and circulation for KS2 pupils
Anti-static / Anti-rocking
Yes
Enhances safety in active, high-energy classrooms
Stackability
Up to 12 chairs
Supports efficient storage in multi-use spaces
Outdoor Suitability
UV filter
Suitable for occasional use in sheltered outdoor learning areas
Compliance
BS EN 1729–1:2015 / BS EN 1729–2:2023
Meets UK standards for classroom ergonomics, strength and durability
Colour
Dark Grey
Neutral, professional shade suitable for a wide range of interior schemes

Dimensions follow DfE size mark 4 and may vary slightly within standard 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: Dark Grey Postura+ 380mm Classroom Chair (Ages 8–11)

Q: Which age group is the Dark Grey 380mm Postura+ chair designed for?

A: It is designed for pupils aged 8–11 and follows DfE size mark 4 guidance for KS2 seating.

Q: Why choose a Dark Grey chair for our KS2 classrooms?

A: Dark Grey is a versatile, neutral colour that works with most palettes, making it ideal for ICT rooms, shared hubs and modern classrooms.

Q: Is the Dark Grey Postura+ robust enough for daily school use?

A: Yes—the one-piece moulded shell and gas-injected legs are built for frequent movement, stacking and everyday KS2 activity.

Q: Do you offer free delivery on these chairs?

A: Cobolt provides free UK mainland delivery on all Postura+ chairs, giving clear, predictable costs for schools and MATs.

Q: Are the chairs easy to clean and maintain?

A: The stain-resistant, non-porous surface wipes clean quickly, helping staff maintain hygiene between lessons and activities.

Q: How many Dark Grey chairs can be stacked together?

A: Up to 12 chairs can be stacked safely, making them ideal for flexible, multi-use teaching spaces.

Q: Can these chairs be used outdoors?

A: They include a UV filter, making them suitable for occasional use in sheltered outdoor learning areas, with indoor storage recommended.

Q: What does the 20-year warranty cover?

A: The warranty covers structural integrity and material performance under normal educational use, providing long-term peace of mind.

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