1,Material: silicone 2,Shipment: as customized 3,MOQ:5000pcs 4,Delivery:as per order quantity MaterialSilicone rubber(MVQ), FMVQ,CR,NBR,HNBR ... high transparence, the material can be chosen by the customer.Customized Rubber GasketSize as per customers' size Material NBR, NR, EPDM, FKM ... and electric appliances, hardware and machinery, vehicle and motorcycle. Silicone Rubber Customized Silicon O Ring