Champion Sports J-DWSB Dead Weight Slam Ball - Ea10 Lb Dead Weight Slam Ball Slam balls are designed for speed and high velocity impact. They also dead weight, provide no bounce or elasticity, and help you perform a broader range of exercises. No medicine ball can sustain the handling a slam ball does, as you can slam it to the ground thousands of times without losing its shape or breaking. It features a soft outer shell that is expertly weighted and built to last. Ideal for solo or partner