OEM is welcomegood qualitycolor optionsize as per yoursProduct Name Rubber O Ring for mechanical seal Material Viton (FKM),NBR, EPDM, Silicone etc. Type O-ring, X-ring, U-ring, D-ring, E-ring etc. Products O-ring, Oil Seal, Rubber Seal, Rubber Gasket, etc. Color Black, red, white, yellow, brown, green, violet, etc. Brand Offer OEM Packaging Detail: Standard packing: plastic bags in inner and outer carton;Non-standard packing: according to your requirement. Delivery Detail Within 5~6 days or according to your requirement.