... OEM molded rubber pad features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR, SBR, CR, BR, IIR, NR, etc),as your request , ... bag inside, strength carton outside, or as your request.flange gasket features:1. Materials advice: silicone and rubber (EPDM, also NBR, SI, HNBR, ... - 2 weeksPackage: plastic bag inside, strength carton outside, or as your request. OEM molded rubber pad