100 LB Heavy BagTorques 100 lb. Heavy Bag was built to be punished with a solid foam core, heavy duty vinyl cover, ballistic nylon straps that are quieter than chains while being just as durable, and three target zones to focus your blows on. This foam punching bag is built with the athlete in mind, as the foam keeps it from bunching up in places and provides the puncher with a smooth, consistent surface to strike. Vinyl: Heavy duty commercial grade, non expanded,