This is the first bag ever designed specifically for teaching one of boxing's most neglected and effective punches - The Uppercut! Durable Powerhide Construction with a shock absorbing, 1" foam layer that's better on the hands, better on the joints, and provides a more realistic opponent. Features: Bag weighs approximately 50-55 lbs when filled Measures 18" x 36" Heavy Bag Chain and Swivel are included 1 inch foam liner Additional Details: