Fighting Sports incorporates the finest hides of genuine full grain cowhide leather to create professionally designed and crafted speed bags. Perfectly balanced for blazing speed and true rebounds. Manufactured with triple stitched leather welted seams, advanced butyl rubber bladder and durable laces. If you like WINNING, you will love FIGHTING. Colors: White, Black/White, Black Size: 5" x 8", 6" x 9", 7" x 10"