Pure Boxing Bully Punching Bag Punching bag that promotes exercise in children while helping increase agility and hand-eye coordination Three distinct and interchangeable "bully" faces for more punching fun, vibrant graphics provide a perfect target zone 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 includes a foot pump for inflation, recommended for ages 4 through 10