• Build to Last: It is made of high-quality 50d PVC and nylon, so it is high-hardness, waterproof, wear-resistant, and durable.
• Thoughtful Design: The valve design effectively prevents air and water leakage and also makes it easy for you to deflate and release water, while the smooth bottom makes it possible for you to carry it on your shoulder for exercise.
• Good Fitness: Filling the bag with a mixture of water and air, the product utilizes the weight of the water and the instability of the water as it flows to not only help you work out your commonly used muscles but also to train more muscle groups in the vicinity, thus achieving better results than ordinary energy pack training.
• Compact and Portable: Its compact size and inflatable design make it lightweight and portable when deflated, making it convenient for home and outdoor use.
• Ready to Go: All you need to do is fill it with water to the level you desire, inflate it, and it's ready to use without the extra effort of assembly.