... seals, Water Seals, Air Seals. Silicone Rubber Y-ring :Detailed Product DescriptionSilicone Rubber O-ring: 1, ROHS,SGS 2, ISO9001,ISO14001; 3 ... -type, or your custom design.6, Diameter1mm to 80mm7, ColorTransparent, White, Black, Blue, Green, Red, Yellow, etc.8, OEM & ODM orders ... deposit if need to develop new mould. Silicone Rubber Y-ring