... Nonstandard: Nonstandard Material: Rubber Place of Origin: Hebei China (Mainland) pu stress rubber ball1.Material:silicon 2.Good quality and best ... according to your drawing or samplesMatetialFPMPackingInner packing is by plastic bag outer packing is by carton and woodenPayment termT/T, L ... these products are NBR, NR, EPDM, FKM, SILICON RUBBER, NYLON, PU, CR, SBR, EP, IIR etc.