1.Material:silicone ,EPDM , neoprene, NBR 2.Color:normally is black 3.Size:as you request 4.Packing:as you request Our company has 15 years history, and specialized in manufacturing Rings, Seals, Gaskets, packings, sheets, which aremainly used in Chemical Industry, Ship-building Industry, Oil Industry and medical Industry etc. We are looking for cooperatorin your country to build a long term ...