Specifications

Product	YS111 task chair (YS111M medium back; YS111H high back)
Seat dimensions	515W x 490D mm
Pneumatic seat height	455–545 mm
Back dimensions (medium)	505W x 575H mm
Back dimensions (high)	505W x 700H mm
Rated capacity	120 kg
Recommended use	4–8 hours per day
Features	Ergonomic lumbar support; durable construction; supportive back
Finish	Black
Warranty	Five-year warranty
Designed for	Reliable daily comfort

Materials & Care

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Resources

Line drawing (YS111 series)

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YS111 Star

$336.00

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Eco-certified
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Product Details

The YS111 task chair is available in medium back (YS111M) and high back (YS111H) variants, both with 515W x 490D seats, pneumatic seat height 455–545mm and supportive backs (505W x 575H M; 505W x 700H H). Rated to 120kg and designed for 4–8 hour use, it delivers ergonomic lumbar support, durable construction, black finish and a five‑year warranty for reliable daily comfort.

Specifications

Product	YS111 task chair (YS111M medium back; YS111H high back)
Seat dimensions	515W x 490D mm
Pneumatic seat height	455–545 mm
Back dimensions (medium)	505W x 575H mm
Back dimensions (high)	505W x 700H mm
Rated capacity	120 kg
Recommended use	4–8 hours per day
Features	Ergonomic lumbar support; durable construction; supportive back
Finish	Black
Warranty	Five-year warranty
Designed for	Reliable daily comfort

Materials & Care

‎

Resources

Line drawing (YS111 series)

Size: High Back

High Back

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Payment & Security

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

YS111 Star

$336.00

What Clients Talk About Us

“Every item feels purpose-built, blending creativity and real authenticity. It lifts the whole workspace.”

Olivia Nguyen

Sydney

“Easily the best office chair I’ve owned. Great colours, quality materials, and perfect for the workday.”

Jacob Harris

Brisbane

The pieces are smart, playful, and each one’s got a story as unique as the designer behind it.

Emily Thompson

Melbourne

About YS111 Star

YS111 Series Ergonomic Office Chair — Models YS111M & YS111H

YS111M medium back black — YS111M medium back

YS111H high back black — YS111H high back

Specification	YS111M	YS111H
Seat size	515W x 490D mm	515W x 490D mm
Back size	505W x 575H mm	505W x 700H mm
Chair height to back	980 – 1070 mm	1095 – 1185 mm
Seat height (adjustable)	455 – 545 mm	455 – 545 mm
Recommended seating time	4 – 8 hours	4 – 8 hours
Carton size (mm)	600 x 300 x 585	715 x 315 x 585
Carton weight	15.9 kg	16.5 kg
User weight rating	120 kg	120 kg
Available colour	Black	Black
Warranty	5 years	5 years

Comfortable, adjustable office seating engineered for standard daily use. Ideal for Australian offices and home workspaces requiring durable support and a compact footprint.

Line drawing available for download: Line drawing (YS111 series)

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Specifications

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YS111 Star

YS111 Star

Product Details

Specifications

Materials & Care