Select Sport America Weighted GK Trainer ball - 1000g Perfect for training goalkeeper's throwing distribution(weight is 1000 grams or 35.27 ounces) Ball has a Normal bounce - Do not kick due to risk of injury Ball is size 5 ball and has a 2 year Warranty. Ships deflated Perfect for training goalkeeper's throwing distribution Weight is 1000 grams or 35.27 ounces Ball has a normal bounce - do not kick due to risk of injury Ball is size 5 ball and has a 2 year warranty Ball ships deflated