Our Komodo no-bounce slam balls are designed to be used for a full body exercise for explosive strength, power, speed, stamina and improve co-ordination. Manufactured to a high standard sand-filled construction, the Komodo non bounce slam ball is suitable for high intensity repeated slamming against a wall or floor surface. It is also an excellent addition to any all over body high density workout. The sand filled inside keeps the ball from bouncing and rolling around which provides any disturbance in your workout. Textured vinyl cover for extra grip & durability Inner material: sand/iron mix, outer material: pvc Excellent for a full body exercise such as abs, shoulders, back, arms & legs No bounce design – designed for slamming on walls or solid floor surfaces