Hollow Ball Flex Training Balls ¥ Durable, thick, flex material for better feel then other hallow training balls ¥ Designed to minimize flight and maximize durability ¥ Available in 9" Baseball & 12" Softball sizes 9" Hollow Ball ¥ Weight - 1lbs. ¥ Shipping Box Weight -24lbs.Ê ¥ Shipping Box Size - 19" x 13" x 16" ¥ Master Carton: 10 dz (BN-HOLLOW BB) 12" Hollow Ball ¥ Weight - 1lbs. ¥ Shipping Box Weight -29lbs.Ê ¥ Shipping Box Size - 24" x 16" x 21" ¥ Master Carton: 10 dz (BN-HOLLOW FP)