Product Name: Bowling Playset ( EN71 certificate ) Item No: Y47353 Ball size: 7.5" Quantity/ctn: 50pcs in a net bag, and 12bags in a master carton Carton size: 80*40*92cm Gross/Net weight: 6.5/5kg 7", 6.5", 6", 5.5" are also aviliable. For further information, pls feel free to contact me.