Polished aluminum alloy, or with natural or black nickel-satin finish, or black painted. Steel frame. Elastic strips suspension. Upholstery in graduated polyurethane/ Dacron Du Pont. Seat cushion in polyurethane/DacronDu Pont. Back and armrest cushions in goose feather. Upholstery of roll-shaped cushion in polyurethane/ heat-bound polyester fibre. Removable cover in fabric or leather.