Sofa  with wooden structure and polyurethane foam padding. Seat cushions in crushproof polyurethane. Patented back cushions in goose feather and polyurethane insert.
Metal legs in satin brass or titanium finish. Upholstery in fabric or leather.

Basic version, without platform.
Model A: with 1 arm, left or right. 
Model B: with 2 arms.