Adopting stainless steel, silicone material with silicone sealer ring for and use. The pressure cooker valves is easy to use by the compact size and light weight. Fit for replacing your old pressure cooker valves. The perfect workmanship will give you an excellent use experience. 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) - and supple, this cooker float valve is easy to install and remove, seal perfectly. -Universal design, easy to use, the corresponding float valve to replace the original float valve can be used. -This float valve can easily put on the electric pressure cooker lid and not easy to fall off. -This pressure cooker float valve can completely seal the mouth around of cooker and keep the air pressure inside. -This float valve is easy to clean and the surface is smooth, can easily clean the dirt on the surface. 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