US Games Nylon Cageball -Complete- Great for Large Groups and Cooperation Play.; Super-duty nylon cover over a durable, vinyl bladder with sonic welded seams; Helps develop coordination and teamwork; Inflate with a high powered inflator/deflator; The bigger the ball, the more players you can use Keep your eye on the ball! This item is Latex free! A TRADITIONAL FAVORITE! Multi-color ball for multi-player action