SLAM BALLSSPECIFICATIONS & FEATURES:Material: Rubber+Steel Sand;Diameter: 2kg~10kg/4lb~20lb, 23cm (9″), 12kg~30kg/25lb~65lb, 28cm (11″), 35kg~50kg/70lb~100lb, 33cm (13″), 55kg~70kg/120lb~150lb, 36cm (14″), 75kg~100kg, 38cm (15″);Weights: 2/3/4/5/6/7/8/9/10/12/15/20/25/30/35/40/45/50/55/60/65/70/75/80/90/100kg; 4/6/8/10/12/15/20/25/30/35/40/45/50/55/60/65/70/75/80/100/120/150lb;Type: Classic, Tyre.WEIGHT TOLERANCE:+/-2%. YOU MIGHT ALSO LIKE MEDICINE BALLSAPE FITNESS CLASSIC MEDICINE BALLSAPE FITNESS CAST IRON KETTLEBELLSAPE FITNESS WALL BALL TARGETSAPE FITNESS