Enhance your endurance, speed, accuracy and develop strength and power in your punches while toughening your skin and hardening your fist. This bag features a zippered compartment for holding 6 to 8 lbs. of dried beans , sand or shot (not included). The outer shell is made of a heavyweight duck canvas with reinforced stitching. This bag can really take a pounding. Hang it on a wall or tree using the brass plated grommets. Bag measures 35 1/2" x 12" and features a silkscreened design indicating effective striking points.