Black or graphite painted steel legs. Stiff polyurethane seat with self-extinguishing polyurethane foam upholstery. Removable cover in fabric or leather. Backrest in beech plywood, covered with natural or black painted oak or in natural painted Canaletto walnut. Backrest and seat cushion with removable upholstery, made of polyurethane and self- shaping polyurethane foam respectively. Removable cover in fabric or leather.