https://www.flexformcomo.com/en/icaro-flexform.php 

The ICARO sofa is designed by Roberto Lazzeroni for the Flexform factory. A round island sofa with a massive ash frame, crafted in the traditions of Italian cabinetmaking; the frame is available in several elegant finishes. The seats rest directly on the wooden base, while the back cushions are attached to the frame with textile loops made from the same fabric as the upholstery — the fully removable upholstery is available in fabric or leather.

MATERIALS:

FRAME — solid ash, wood finishes
UPHOLSTERY — Cotton / Fire Proof / Leather / Nabuk / Mixed Composition / Velvet