... .Machine sewn volleyball,Promotion volleyball,Beach volleyball 2.PVC.PU.TPU 3.Official Size 5 4.Excellent ... Mainly on professional match volleyball, training volleyball,promotional volleyballPU, PVC, TPU ,NEOPRENE,and customized material or color are ... :5#,1# 3.Construction: 8panels,12panels,18panels, 20panels4.Material:Pvc,Foamed pvc,Pu,Tpu,Neoprene,Laser5.Bladder: rubber / butyl /latex6.Weight ...