Steel structure with springs in music wire steel, guaranteed for 10 years. Polyurethane foam padding in different densities, upholstered with composite acrylic fibre. The seat cushions and backrest are in polyurethane foam in different densities, upholstered with acrylic fibre layer and a fine cotton cover. The covers can be removed from all pieces. Equipped with a special mechanism that makes it possible to manually raise the back cushion when seated. Square shaped feet in brushed, painted aluminium with non-slip pads in clear thermoplastic.