The convenient target bag will help your child develop a habit of loving sports and help women shape their bodies. Boxing can help you relax and relieve the soreness caused by long hours of work. This fitness punching bag is made of high quality PVC material, Super durable and safe for kids.The base can be filled with sand or water to keep it stable, sand filling is more suitable for adults. This punching bag suitable for kids over 5 years old, stands at over 63inches tall. The inflatable boxing is safe(due to the bag is filled with air), even if it is used by children, it will not hurt. First of all,fill the base with water or sand as you like (recommended injection volume is greater than 15L), then inflate the top part using mouth or pump . When not in use, it can be emptied and folded down ready to play another time.