Structure in poplar. Seatback frame and armrests in particle board supported by multi-ply panels. Mechanism made of metal. Detachable cover in fabric, 100% polyester. The stuffing of the seat is made of polyurethane foam with a density of 35,28kg/m³. The stuffing of the back is made of polyurethane foam with a density of 18,12 kg/m³. The bed is made of a mattress in polyurethane foam (density of 30 kg/m³, thickness : 13cm, no zip). No legs. Delivered ready to use.