... and rubber bladders.Our main products are all kinds of machine stitched soccer balls and volleyballs, hand sewn balls, rubber balls, rubber bladders ... PVC, TPU,PU+EVA, RubberBladderRubber,ButylSize & weightSize1,2,3,4,5 are optional. Size1 diameter:14cm, circumference:40-42cm,weight:140 ... ,13,000pcs/20"GP,31,000pcs/40"HQ. 12pcs/ctn,5/5.5kgs,66*44*44cm,2,400pcs/20"GP,6,120pcs ...