rubber gasket 1.custom design mold 2.resist ... seal,water seal and rubber gaskets etc. Itemsoft silicone o -ringDescriptionWidely used in bathroom product, valve, ... UL, TZW, W270, ACS, FDAMaterial100% pure silicone o-ringMaterial usage is based on the final product ... 3. Good quality, best price 4. Offer OEM Various sizes & colors as following: Rubber Gasket Rubber Gasket / NBR gasket/ Silicone gasket