Each of the 5 resistance bands is 48" long. In addition, each tube is color-coded so that you can easily identify it. Different colours represent different resistance levels: yellow (10 lbs), blue (15 lbs), green (20 lbs), black (25 lbs) and red (30 lbs). You can use each resistance band alone or in combination according to your needs. The resistance levels range from 10 lbs to 100 lbs. The resistance bands set includes 5 door resistance bands, 4 soft cushioned handles, 2 soft ankle straps, a door anchor and a waterproof tote bag.