12 2 inch heavy duty resistance lps band are ften used fr sprts and fitness. Like ppular wrkut prgram including Yga, , and mre. r use the eercise fr hme fitness, general eercise, stretching, strength training, pwer weight prgrams r physical therapy. Smile Service. We stand by the quality f ur eercise . If there are any issues n the lps, then send it back t us fr lacement r yur full mney back. We knw yu will lve it! Wrkut are made f 100% natural late (TPE free), n rubber smell, elastic and durable. Strage bag is made frm nyln, it will be easy t strage the resistance lps and them everywhere. Eercise fr wrking ut included -Light band is 3-6lbs, Light band is 10-16lbs, Medium band is 15-20lbs, Heavy band is 25-30lbs, -Heavy band is 35-40lbs. The -Light is gd fr children r rehabilitatin training; Light and Meduim band is used by begginers, Heavy lp is a gf chice fr a seasned wrkut warrir. And -Heavy are suitable fr strength training. High end resistance lps cme in five resistance levels (-Light, Light, Medium, Heavy, -Heavy). That make the perfect fr beginners r a seasned wrkut warrir.