
Alder Stool — Sand
The Mater Alder Stool in Sand brings a light, earthy tone to Patricia Urquiola’s compact seating design.
Made for interiors, it combines coffee-shell waste and biodegradable plastic in Mater’s Matek material, with a steel frame inside. The stool measures 36 cm across with a 44.2 cm seat height, and recycled ingredients give its surface natural variation.
Every detail, considered.
- Brand
- Mater
- Collection
- Alder
- Designer
- Patricia Urquiola
- Descriptor
- Recycled composite stool
- Country
- Latvia
- Dimensions
- 14.2 in W × 14.2 in D × 17.4 in H (36 × 36 × 44.2 cm)Click here to open the spec sheet
- Materials
- 01Waste-based composite body
The molded material combines coffee-shell waste and biodegradable plastic around an internal steel frame.
- 0217.4 in seat height
The footprint measures 14.17 by 14.17 inches for indoor seating.
Alder by Mater is an indoor stool made from a waste-based composite.
This version blends coffee-shell waste and biodegradable plastic over an internal steel frame. It measures 14.17 inches wide, 14.17 inches deep and 17.4 inches high. Recycled ingredients create individual surface variation, and the collection includes other table and seating formats.
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.
Patricia Urquiola
Patricia Urquiola studied architecture in Madrid and Milan, graduating under Achille Castiglioni. She worked with Vico Magistretti and Lissoni before opening her Milan studio in 2001. Her practice encompasses industrial design, architecture, interiors and art direction, including collaborations with Moroso, Flos, Driade and Cappellini.
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Make sure it fits. Then make it yours.
Before you commit to the Alder Stool — Sand, 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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