1.Material-silicone 2.Small quantity is accepted 3..SGS Certification 4.customed ... -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