Frame in tubular steel. Sprung base with woven elastic straps in coated rubber. The padding of the small armchair is in cold-foamed polyurethane, while stool and armchair are in differentiated density polyurethane foam. 100%polyether cover with thermo bonded sealed polyamid evelveteen backing. Seat cushion with preformed structure in polyurethane foam, covered with acrylic fiber layers. Fabric or leather covering. Both versions are fully removable.