At first glance you may think it's just a new kind of cageball, but not so. This ball is under 2 lbs! KIN-BALL® ball starts with a superior-quality 100% waterproof nylon cover and includes 2 feather-light latex bladders. Throw, bounce, kick, and play jumbo-slow volleyball with them. And, of course, play the 12-person team-cooperative game they are named after, KIN-BALL® game! 48" diameter.