Stress-resistant polyurethane foam in varied densities and polyester fiber on hardwood frame. Front feet of sofa and small armchair are leather or fabric covered beech; back foot, fixed to the frame, is beech. Glides are burnished steel. Chair legs are beech. Version with cushions in polyurethane foam and polyester fibre (code RI0) button-tufted back available. Rich collection covers are not removable, with the exception of the cushions of RI0 version.