Double-panelled fir and poplar frame. Strip feet in walnut-stained beech. Differentiated density polyurethane foam filling with acrylic fibre covers. Seat with box springs covered with differentiated density polyurethane foam and back springing with woven elastic straps of covered rubber. Seat cushions in washed and sterilized goose down with pad in differentiated density polyurethane foam. Armrest filling in cold-foamed preformed polyurethane. Decorative piping in the same shade of leather or in contrast. Optional cushions in washed and sterilized goose down (48x48 or 60x60).