Dunnrite PoolSport Replacement Mini Swimming Pool Basketball Product Features with Pin for fast and effective inflation Replacement basketball for the Dunnrite PoolSport Swimming Pool Basketball Hoop and Dunnrite PoolSport Swimming Pool Basketball Hoop with Stainless Steel Rim (Item #B150) Color-matched to Dunnrite Hoops Enjoy 1 year manufacturer warranty Basketball Circumference: 24 inches