Bodylastics 19 pcs Resistance BandsSTRONG MAN STACKABLE Set (202 lbs.) with 7 anti-snap exercise tubes, Heavy Duty components, carrying case, and 3x4 ft. wall chart with over 100 exercises Stackable adjustable resistance featuring the Bodylastics quick clip system. Over 90 levels of resistance from 5 to 254 lbs. of tension Highest quality components and materials on Amazon Guaranteed! Heavy Duty Components and continuous dipped malaysian latex - more latex per tube means more resistance for your money 99% snap resistant bands with Patented D.G.S. anti-snap technology - workout with confidence! Over 140 of the best gym exercises for Abs, Arms, Back, Chest, Legs and shoulders The Best Workouts - FREE Live and On Demand Bodylastics workouts every week for muscle building, abs development, body toning, cardio and sports at liveexercise