Feature: 1. This inflatable boxing column is made of environmentally friendly PVC material, which is strong and reliable. It rebounds quickly and gently. 2. Open the gap at the bottom, fill it with water/sand, and close the plug tightly. You can pump air into the inflation hole until it is fully inflated. 3. With compact shape, very easy to take with , and can be used anytime, anywhere 4. Very suitable for fitness and stress relief, improve coordination and flexibility, burn calories and reduce stress, while increasing flexibility and hand‑eye coordination. 5. It is also suitable for taekwondo training, and can be used for adults and children. Specification: Condition: 100% Brand New Item Type: Punching Bag Color: Black+Red Material: PVCModel: SL003-13 Inflatable Size: Approx. 170cm/66.9in Inflatable Boxing Rod Diameter: Approx. 63cm/24.8in Thickness: Approx. 0.35mm/0.014in Applicable Person: Unlimited, girls, boys Ability Training: Emotion, intellectual development, manual brain exercise, other ability training, interactive toys, parent-child communication, interest cultivation Description: 1. Open the bottom plug 2. Fill the water inlet with water or sand 3. Close the inner plug and tighten the outer ring 4. Use an air pump to inflate through the nozzle . Package List: 1 x Punching Bag1 x Manual Note: 1. Make sure to hold at least 7KG/15.4lbs of water, otherwise the column will not stand upright and will easily fall. 2. As this product is a plastic inflatable product, please stay away from sharp objects to avoid scratches and air leakage. 3. Do not squeeze hard, children do not sit on it, so as to avoid damage due to excessive pressure. 4. When inflating, just use an appropriate amount. Do not over‑inflate to avoid bursting.