Take your bopping to a new level with the Socker Bopper Power Bag! Get ready for the next match with the world's fastest bounce-back action. This air-inflated vinyl cylindrical bag is wide at the bottom and slightly tapers toward the top allowing for more stability. The valve at bottom opens and is meant to be filled with water to keep it weighted.Ages 5 & up. WARNING: CHOKING HAZARDSmall parts. Not for children under 3 yrs.