Some of the biggest names in boxing have competed in the National Golden Gloves and here is your chance to take part in that very same tradition. This Golden Gloves Heavy bag is made of durable synthetic leather and will stand-up to anything you throw at it. Its 70-pound weight will give you an unbeatable workout. Comes complete with a chain and swivel. And, 10 percent of all proceeds go to the National Golden Gloves Association to support them in their mission of promoting and enhancing the physical, emotional and psychological well-being of young athletes.