Seal and gasket 1,Material:NBR,EPDM,Viton,silicon etc. 2, ... ,OEM is welcome. 4,MOQ:5,000pcs Silicone seal and gasket Item:Silicone Seal Ring1.Material: Silicone, EPDM, NR, NBR, SBR, CR ... . Size: The same as your design, drawing or sample.4. Color: Black, white, transparent, gray, green, yellow, blue, red etc.5 ...