-20%
1. Material: 1mm thick environmentally friendly PVC
2. Dimensions (diameter x width): 16x75cm (15kg); 20x75cm (20kg); 25x75cm (35kg)
3. Principle: Fill the bag with water and air, use the weight of water and the instability of the flow, not only to exercise common muscles, but also to train more nearby muscle groups
4. PVC material, easy to fold and easy to carry
5. There is a scale on the back, inject suitable water, and adjust the load freely
6. Add soft nylon cloth, training more comfortable
7. Note: delivery does not include liquid