Take Your Training to a New Level Body-Solid Tools Tire Tread Slam Balls are perfect for building strength, cardio endurance, and explosive power. They feature a textured, grooved surface that ensures a secure grip during your workouts, even in wet conditions. Designed to withstand tough workouts, the thick rubber shell absorbs impact from slams, bounces, and tosses. With a no-bounce design, these slam balls are ideal for a variety of exercises, including slams, wood chops, and overhead throws, helping you achieve total body conditioning. Special Features • Build strength, cardio endurance and explosivepower• Textured, grooved surface for easy handling• Thick & durable rubber shell• Ideal for various throwing and slammingroutines• Available in three sizes: 10 lbs, 15 lbs and20 lbs