1. Good design : The whole product adopts inflatable design. The bottom can be filled with water or sand according to convenience. The screw cover at the bottom is convenient for filling water and is safe without falling off. When the bottom is filled with water, the inflatable wall will automatically stand up and bounce back when hit, without the need for manual righting. 2. Portable dummy cup : The bottom of the inflatable dummy can be filled with water or sand. If the temperature is about 0 degrees, it is recommended to fill it with sand. When not in use, it can be deflated and folded for storage, which is very convenient and can be put into the pocket. It is lightweight and suitable for both children and adults. 3. Quality material : The dummy is made of thick, elastic PVC, wearresistant and waterproof. It can be used in spring, summer, autumn and winter. It is also environmentally friendly, nontoxic and harmless. 4. Multifunction : The inflatable dummy can be used for youth football training and basketball training to improve players' technical levels. It can also be used as an exhaust boxing bag or a fitness tool for exercise. 5. Size: After filling with air, the height is about 48 in, the width is about 14 in, and the folded size is about 8*7*1.2 in. Our products are factory tested and we are confident you will love them.