Foldable Water Bag can be stored with a light weight at only 2.65 Lbs, suitable for training in different places Convenient to fill it with water and gas, enabling loading up to a total weight of 32.6 Lbs Full control of training weight by adjusting internal water volume, allowing full body workouts for different muscle groups Soft and smooth surface reduces potential friction or injury for a more comfortable experience Made of a thickened double-layer PVC film, ensuring durability & product quality