BIGFUNs Ninja Inflatable Bop Bag is a standing punching bag that is absolutely safe for children. Made of high-quality plastic that can absorb powerful punches and kicks, this bop bag wont hurt your kids. Moreover, it will stand up to all the karate chops, punches and kicks your kids can throw at it! Perfect for training kids in self-defense sports like karate, taekwondo, boxing, etc., the bop bag can be a good gifting option too.