Enjoy some serious fun in camps, gym class, or even your backyard with the Champion Sports Rhino Ultra-Lite Cage Ball Set. This complete set includes everything you need for action-packed games. The multi-colored cover is constructed from a durable, 100% nylon double-stitched shell that can withstand even the most energetic play. It features an extra-wide, concealed Velcro® zipper for hassle-free bladder insertion. The included bladder boasts superior performance with exceptional air retention and incredibly fast inflation/deflation thanks to its extra-large valve. Being 50% lighter than traditional cage balls, this set is perfect for players of all ages and skill levels. Replacement bladders and covers are also available (sold separately).