... molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal and rubber gaskets etc. Specifications 1 ... 2008, TS16949, NSF, WRAS, UL, TZW, W270, ACS, FDAMaterial100% pure silicone Material usage is based on the final product condition.Packing ... *34*34 cmNot-standard packing: follow customers' requirementVarious colors & sizes for your reference. silicone ball for industrial