IMPROVE REACTION SKILL: Great, due to or hitting the wall or arch to hit the user to the opponent's straight punch and swinging punch attack, it is a good helper for training. PORTABLE: Compact and you can train when it's empty. Just find the water and sand filling, the heavier, the heavier and more stable. COMFORTABLE FEEL: Much more comfortable than sandbags, so you don't have to worry about hand injuries and it can relieve your negative emotions throughout the day. SUITABLE FOR CHILDREN: A sandbag that promotes children's sports while helping to improve agility and hand-eye coordination. Color: Red Material: PVC Size: Diameter: 22cm Package contents: 1 * Heavy bag 1 * Water injector 1 * Hook 1 * Sling Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.