Made of imported medical grade silicone This product includes 100cc/150cc/200cc/400cc Silicone Reservoir 7mm/10mm Flat drains or other round drains and stainless steel trocar Using Trocar for insertion and combining with silicone Reservoir for fluids suction and collection Used for various surgeries Latex-free EO Sterile Packing: individual blister packing, 20pcs/ctn