... rubber, PVC, PU,3. Bladder: 70%, 50% or 30% butyl or 40% rubber available and nylon or polyester wound4. Usage: Match ... , Training, Gifts, Premiums5. OEM: available6.0Packing:Standard packing: No.7 basketball ... , Carton size: 53×31×39cm No.5 basketball 1 Piece/Polybag, 50 Pieces/Carton, Carton size ... , we are the source. pvc basketball