Aluminum body, Black PTFE coating for adaptor(avoid stick inside), copper outlet nozzle(Aperture:2mm), stainless steel barrel(avoid stick inside and make cleaning work easy), semi-bright nickel-plated finish,        Chinese Design Patent ZL200730080662.5, Technical data: Sealing pressure at outlet valve:7.5kg, high use efficiency of foam in each can (>98%, volume)     A  Size of the carton:66.5*38.5*29.5cm, n.w.:7.2kg, g.w.:11.5kg, 20pcs/carton