【Relieve stress】 Mini desktop punching bag can be fixed on smooth surfaces such as office study desks, smooth floors, tiles, wooden doors, glass countertops, etc. By tapping this desktop punching bag, negative emotions in work, study, and life can be relieved, and stress can be released【 Excellent Material and Design 】 Choose excellent PU spheres+82B high-strength springs, equipped with suction cup pressure valves and large base suction cups, which can be firmly fixed on smooth tabletops, windows, or countertops without tools. At the same time, high-density sponge protection design prevents your child from getting caught by the spring during use or movement of the product.【 Easy Installation 】 Assembling children's desktop sandbags is very easy. The product comes with a manual inflation pump that can fill the sphere with gas and move it at any time.【 Fun Gifts 】 Colorful box packaging can be used as fun holiday and Christmas gifts for bosses, colleagues, friends, and children. The product comes with a set of head mounted boxing reaction training balls, allowing you to experience different sports fun.【 Good after-sales service 】 If you encounter any problems during use, please contact us in a timely manner, and we will give you a perfect answer within 24 hours.