Pure Boxing Tough Guy Kids Punching Bag Punching bag that promotes exercise in children while helping increase agility and hand-eye coordination "Tough Guy" lifelike graphics provide a great target for aimed mixed martial arts assaults Rugged vinyl construction can withstand an onslaught of kicks and punches, and will always bounce back up for more Base can be filled with sand or water for stability; Sand has proven to be more effective for larger children Stands 56" tall and is recommended for ages 6 and older