Air Pump: Package includes boxing bag and inflatable pump. The included inflator pump can be used to inflate easily. High Quality & Durable: The punching bag for kids is made of upgraded and thickened PVC that does not leak or wear out and is soft enough. It can definitely withstand thousands of kicks and punches, so both children and adults can use the bag to release energy and pressure! Non-invertible design: Using the principle of non-invertible design, more than other fitness punching bag to maintain stability, not easy to be tilted or knocked down by the child, but can give a rebound. Let your child more and more frustrated, will not easily lose patience. Easy to use: Just add water or sand at the bottom of punching bag, and then inflate the top with your mouth or pump to use it (the punching bag for kids has an inflatable hole at the bottom top waist). When not in use, it can be folded up. Fun & Health: This kids boxing bag is a great way for kids to have fun, stay active and exercise. It allows children to release stress and boredom when they are in a bad mood or have nothing else to do, but also enhances their interest in boxing and karate thus strengthening their physique. The perfect choice for an ideal gift!