Exercise bands are 3.9ft in length, and can be used stacked in 3 to 5 combinations a maximum equivalent of 100 lbs. This resistance bands set includes 5 resistance tube bands, 2 handles, 2 ankle straps, door anchor, and a carry bag. Resistance band is made of TPE tube, strong wear resistance and perfect elasticity, steel metal buckle for stronger strength, non-slip handle, comfortable and absorbent. Suitable for all muscle groups training, arms, shoulders, chest, glutes, legs, etc. Comes with a carry bag, you can put the whole exercise bands into your backpack, which enables you to exercise anywhere, home, office, gym or traveling.