silicone seal ring 1.silicone gasket 2. any color is available 3. delivery intimely with ... .2. Non-toxic, high/low temperature resistance, oil and fuel resistance, waterproof, weatherring resistance, ozone resistance, ect.3. Any size and shape and ... more informations about us and our products,please click our website: www.xianghongrubber.en.alibaba.com waterproof and oilproof silicone sealing ring