Sofa bed with fully removable cover. Steel tube-shaped main structure. Extendible mechanism with an electrically welded plastic-coated base. Polyurethane foam padding covered in acrylic fibre wadding. Different density polyurethane foam seat and back cushions covered with a layer of heat-boned acrylic. 13 cm high spring mattress. The mattress may be supplied to order in Polilatex HT with natural latex.