What separates the Fitness Factor Playground Ball from the competition? ✔ Quality Durable Construction Our playground ball is made with the strongest most durable materials available and constructed to the most rigorous standards. It is built for intense use and built to last. ✔ Great for Both Kids and Adults The Fitness Factor Playground Ball is official adult kickball size making it perfect for both adults and kids. Its 10″ diameter plus durability make it perfect for users young and old as they play four square dodgeball or any number of other games. ✔ Designed With You In Mind Fitness Factor makes it a point to listen to its customers and address their needs. That’s why we offer a durable alternative to standard playground balls that includes a grip-friendly surface and a ball pump for inflation.