This inflatable boxing column is easy to fill water/sand and inflate air to use. It rebounds quickly and softly, suitable for fitness, stress and Taekwondo training. <br/>Features:<br />Made of nvironmental protection PVC material, sturdy and reliable. <br />Easy to install, open the cover in the bottom and fill water/sand into it, cover the stopper closely. Pumping air into inflatable hole until it is totally inflatable is ok.<br />Easy to carry, can be used at anytime anywhere.<br />Inflatable sandbags are perfect for fitness and stress. Improve coordination and flexibility, burn calories and reduce stress while increasing flexibility and hand-eye coordination. <br />It is also an nice choice for Taekwondo training. Can be used for adults and children.<br/>Specifications:<br />Material: PVC<br />Boxing Post Diameter: 350mm / 13.78in<br />Item Height: 1600mm / 62.99in<br />Package Weight: 700g / 24.69ounces<br />Package Size: 200 * 200 * 60mm / 7.87* 7.87 * 2.36in<br/>Instructions:<br />1. Open the bottom plug<br />2. Fill the water inlet with water or sand<br />3. Close the inner plug and tighten the outer race<br />4. Inflate through the nozzle with an air pump<br/>Remarks:<br />1 Be sure to hold at least 7 kg of water, otherwise the column will not stand upright and can easily fall over.<br />2 As this product is plastic inflatable, please keep away from pointed objects to avoid scratching the air leakage.<br />3 Do not squeeze hard, children should not sit on it to avoid damage due to excessive pressure.<br />4 When inflating, just use an appropriate amount. Do not over-inflate to avoid blasting.<br/>Packing List:<br />1 * Inflatable Boxing Post (pump not included)