1.Material: rubber rubber basketball 2.Dia:238-248mm 3.Weight:500-520g,580-620g ... : 749-780mmDia. : 23.8-24.8cm3. About useThis kind of basketball is very popular with male. training4. About packingPacking: 1pc/polybag ... report ASTM963, EN718. StyleSports match ,sports games ,sports training, exercise inflatable basketball