1. Turn on the faucet, and put 1/3 water into the bag at first. 2. Use the inflator to pump up the bag. 3. Verify the air tightness. 4. If everything is okay, put more water into the bag and pump up again.
Product Name: Weight-bearing balance fitness water bag Product material: 1MM thick environmentally friendly non-toxic PVC Product color: transparent Product capacity: 20KG Applicable scene: fitness equipment, fitness body, sports trend Color :16*75cm (15kg), 20*75cm (25kg), 25*75cm (37kg) Size information: Product specifications: diameter 20CM * length 75CM （Does not contain ink） Note: This product does not contain any liquid pigments