Heavy Duty Thick eercise set has strng wear resistance and can withstand etreme tensin. It will nt break and ffers lnger durability t withstand intense daily wrkuts. Yu can perfrm varius eercises with cnfidence. Upgraded 6 Levelsur wrkut resistance have 6 resistance levels, mre chices, which can meet the needs f beginners and fitness enthusiasts. Circumference 81.9 inches, each clr has different resistance and width fr different training. Yellw: 8-15 lbs; Red: 15-35 lbs; Black: 25-65 lbs; Purple: 35-85 lbs; Green: 50-125 lbs; Blue: 65-175 lbs. Perfect fr Every WrkutYu can use the eercise band in yur hme , health club r physical therapy clinic. They're great fr pull ups, calisthenics, yga, weightlifting, mbility, strength training, chin ups, stretching, nastics, push-ups, physical therapy, and mre. Eercise the Whle Bdyur pull up assistance are perfect fr eercising yur arms, shulders, chest, cre, back, abs, glutes, legs and mre. They help eercise all parts f yur bdy, effectively imprving muscle strength and enhancing bdy fleibility. Cmpact and PrtableThe wrkut band is small in size, easy t stre, and can be carried anywhere. Whether at hme, in the , r while traveling, yu can carry ut yur daily wrkut anytime, anywhere.