Use BOLT’s Rampage wall balls to perform a wide variety of exercises that develop strength, enhance coordination, and improve balance. Unlike slam balls, wall balls are designed without sand or rubber, making them easy to throw and catch. Choosing the right ball for your full-body workouts is crucial, and BOLT provides a variety of weights, including 8, 10, 14, 16, 20, 25, and 30-pound options. Since these exercises engage all four limbs and the body's core--basically everything--you are all but guaranteed a full-body workout every time you use them. As a general rule, you should opt for a lighter ball for metabolic training and a heavier ones to power up your anabolic sessions. Rampage Balls are painstakingly crafted with long rectangular strips of tough, synthetic leather interwoven and machine-stitched with double-reinforced seams because you should be able to throw them as hard as you want--go on a full-blown rampage--without having to worry about them falling apart. Here at BOLT, we aspire to make products as hardy and durable as you want to be. Rampage Specifications:  Color: Black Diameter: 35 cm Product Material: PVC + Rubber Inside Weight Variations: 6, 8, 10, 14, 16, 18, 20, 25, 30 LB