The perfect functional training accessory for any gym, these rugged, high-quality Force USA^® Medicine Balls can improve your power, speed, flexibility, and agility with a wide range of exercises. Made with a durable rubber compound and easy-to-grip textured surface, our medicine balls open your training to a world of possibilities! Easily portable and waterproof, these are available in 7 lb (3kg), 11 lb (5kg), 15 lb (7kg), and 20 lb (9kg) weights.