
Compound Dining Chair — Coffee Waste Black
The Mater Compound Dining Chair in Coffee Waste Black pairs a minimalist black steel frame with a dark Matek seat and back.
Designed by OEO Studio, this unupholstered version combines coffee-shell waste with recycled plastic from electronic waste. Its simple material contrast suits dining rooms and shared interiors, with components left visible as part of the design.
Every detail, considered.
- Brand
- Mater
- Collection
- Compound
- Designer
- OEO Studio
- Descriptor
- Dining chair with recycled composite seat
- Country
- Latvia
- Seat height
- 17.3 in (44 cm)
- Seat depth
- 16.5 in (42 cm)
- Dimensions
- 19.7 in W × 19.7 in D × 33.1 in H (50 × 50 × 84 cm)Click here to open the spec sheet
- Materials
- 01Waste-based seat and back
The composite blends coffee-shell waste with recycled plastic over a steel supporting frame.
- 02Unupholstered stacking construction
The chairs stack together to reduce floor space between uses.
Compound by Mater is a dining chair with a recycled-composite seat and back on a steel frame.
The seating structure combines coffee-shell waste and recycled plastic recovered from electronic waste. The seat and back are left exposed, and the chairs can be stacked between uses. This version has a 17.2 inch seat height and is intended for indoor residential or public seating, with other upholstery configurations offered.
Generated by AI from the manufacturer's specifications and product data. Confirm details with your consultant before ordering.

Danish furniture that pairs enduring forms with material innovation, from Space Copenhagen stools to designs using recycled resources.
OEO Studio
OEO Studio was founded in Copenhagen in 2003 by Thomas Lykke and Anne-Marie Buemann. Its work spans residential architecture, hospitality, commercial interiors and product design. The studio combines its Scandinavian design background with research into Asian aesthetics, developing projects for clients and manufacturers internationally.
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Make sure it fits. Then make it yours.
Before you commit to the Compound Dining Chair — Coffee Waste Black, our studio checks it against your space and walks you through every finish it comes in.
- Footprint checked against your floor planPlus doorways, stairs and clearances
- Leather, fabric and colour chosen with youand more, in the showroom
- We manage the order for youFrom the factory to your door
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