In the version with storage compartment, the side shells are in moulded rigid polyurethane, the metal parts of the opening mechanism and the zips are in nickel-plated steel and zamak, and the lid is in birch plywood. The base is in poplar plywood with a scratch-resistant black lacquered MDF bottom. The seat is padded with polyurethane foam and polyester wadding (the model with storage compartment has polyurethane foam padding for the structure and lid).