Bwino Super Band is a heavy-duty latex loop offering variable weight resistance, available in several weight ranges for hundreds of exercise options. As part of a complete training system, use the Super Band for a comprehensive workout program. Bwino Superbands are part of the H.I.T.T. (Highly Intensive Training Tool) lineup and are integral in many other workout programs including CrossFit training. 20 - 150 lb. weight resistance rating 41" length connected loop band Heavy duty latex rubber construction 0.5" – 2.0" Width Band Illustrated exercise workout guide included