Advanced Resistance Tube Band Set | 8 Tube Bands | 5 to 250 lbs of Resistance Heavy Duty Adjustable Resistance Tube Band Set with Reinforced D Ends | Resistance Range: 5 to 250 lbs. Complete Professional Grade resistance workout band set including Upgraded Handles, Anchors, Poster & Bag Great addition to any cross training program: CrossFit, P90, Extreme 30 Day Money Back Guarantee & a 1 Year Warranty Made from Natural latex Rubber using a continuous layering process