Introducing the Heavy Duty Slam Balls from Nantong July Fitness&Sports Co., Ltd., a leading manufacturer, supplier, and factory based in China. Our slam balls are designed to withstand the most intense workouts and are perfect for building strength and power. Made with high-quality materials, these slam balls are durable and built to last for years of heavy use. The Heavy Duty Slam Balls are available in a wide range of weights to suit all fitness levels, from 5kg to 50kg. Each slam ball features a textured surface for a secure grip and easy handling during workouts. Whether you're performing slams, throws, or lunges, these slam balls will help you push your limits and achieve your fitness goals. Ideal for gyms, fitness studios, and home use, our slam balls are a versatile and effective training tool. Add a new dimension to your workouts with the Heavy Duty Slam Balls from Nantong July Fitness&Sports Co., Ltd. and take your strength and conditioning to the next level.