Sofabed. Wooden structure padded with polyurethane foam. Seat cushions in D35 polyurethane foam + feather. Back cushions in feather with D25 middle foam. Wooden slats spring, Orthopedic coil spring mattress 13 cm thick and cm 200 long. When opened, total depth cm 218. K.D. model (sofa can be totally disassembled on need).