Crafted from soft genuine leather, this Rival 8cm Double End Boxing Ball is just what you need to add some versatility to your training. It will not only help you improve your speed and accuracy, but also your timing and defense. Designed for perfect balance and reduced seam stress, this expertly crafted ball will stand the test of time. The strong side straps are made from a super-durable nylon seat belt, which incorporates durable fastening buckles. The double-stitched seams help strengthen the structure of the ball, increasing its durability and ensuring an exceptionally long life. Plus, it comes with its own inflatable pump! Features: soft genuine leather construction double stitched seams flexible side straps made of nylon seat belt webbing integrated heavy-duty fastening buckles Rival printed graphics diameter 8" (21 cm) maximum inflation 7 PSI an inflatable pump is included in the package shock cord sold separately