Bodylastics 11 pcs Resistance Bands SetBASIC TENSION with 4 Stackable anti-snap exercise tubes, Heavy Duty components, carrying case, and printed instructions for the top muscle building exercises Stackable adjustable resistance featuring the Bodylastics Quick Clip system. 15 levels of resistance from 5 to 88 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