... PVC, TPU,PU+EVA, RubberBladderRubber,ButylSize & weightSize1,2,3,4,5 are optional.Size1 diameter:14cm, circumference:40-42cm,weight ... ,400pcs/20"GP,6,120pcs/40"HQ.Layers:1-4 layersThickness1.6mm,1.8mm,2.0mm,2.7mm,3. ... Free,REACH,ROHS,PAHS,US ASTM F963,CPSIA,CPSC etc.4) Factory & Trade Show:Our factory has 300-400 workers ... balls to guarantees finish your order on time. best quality cheap price Volleyball