... 4.Type:O ring,X ring,V ring,U ring,etc Production Description Rubber o ring 1.Material:natural rubber 2. Type:O ring,X ring,V ring,U ring,etc 3. Prolong machine life ... , rubber seals, rubber gaskets, rubber grommets,rubber washers, rubber bumpers, seal components, rubber suction cup, damping pads, insulating pieces, dust-proof pieces, and other related products.And custom rubber ...