London - Frame: solid oak. Seat springs: intertwined elastic belts. Seat: cushions made of an inset of foam polyurethane, density 30 kg/m3, incorporated into a real down quilt which is padded in compartment. Back: padding in foam polyurethane density 25 Kg/m³ covered with thermobound fibres. Cover: not removable in leather, removable in fabric.