FEATURES: Eco-Grip composite cover wicks away sweat for added durability Deep channel design and cushioned sponge carcass for optimal response Butyl bladder for air retention and nylon windings for structural integrity Official basketball of AAU (Amateur Athletic Union) Designed for indoor use only Size: 7 (29.5'') FEATURES: Eco-Grip composite cover wicks away sweat for added durability Deep channel design and cushioned sponge carcass for optimal response Butyl bladder for air retention and nylon windings for structural integrity Official basketball of AAU (Amateur Athletic Union) Designed for indoor use only Size: 7 (29.5'')