Red Rubber suction cup 1.Material CR 2.Strong suction,good quality 3.ROHS,ISO9001,14001 4.Sample or drawing welcome Red Rubber suction ... cup 1. Main materialNeoprene(CR),also can use Natural rubber, SBR, NBR, IIR, PU, EPDM, Silicone, FKM, FVMQ, HNBR, ECO, ... know the use).Hardness or duro.Tolerence.Color.Quantity Red Rubber suction cup