This pressure cooker float valves are made of sturdy and material. Suitable for home, restaurant, shopping mall, etc. It can for most types of pressure cookers, an essential accessory for normal and safe operation of the pressure cooker. Features -Color:Assorted Color -Material:Stainless steel, silicone -Size:1.90X1.90X0.50cm/0.75X0.75X0.20in (negative pressure valve nut) -Size:1.90X1.90X1.00cm/0.75X0.75X0.39in (negative pressure valve base) -Size:1.20X1.00X0.30cm/0.47X0.39X0.12in (negative pressure valve gasket) -Size:2.00X0.80X0.80cm/0.79X0.31X0.31in (floater valve stem) -Size:1.70X1.70X0.20cm/0.67X0.67X0.08in (floater gasket) -Made of stainless steel, silicone material makes it to efficient sealing. -Stainless steel makes it touch with the food directly, and practical. -Effective sealing, safe and reliable design, with this float valve, you can cook more easily. -High temperature and corrosion resistance. This float valve can be reused without frequent replacement. -This float valve is simple and convenient installation, practical using, also a good cooker accessories. Package list: 4 x negative pressure valve nuts 4 x negative pressure valve bases 4 x negative pressure valve gaskets 4 x floater valve stems 4 x floater gaskets