Check the listing for details. 41 Inch Resistance Band, Complete Set, 6 Piece Set. Condition: New. Listed at 125.90 USD. #0 - #5 Thickness: 4.5mm Length: 41" Number of Layers: 15 Tensions #0 Orange: 1/4 in. 2-15 lbs. #1 Purple: 1/2 in. 5-35 lbs. #2 Red: 13/16 in. 10-50 lbs. #3 Blue: 1-1/8 in. 25-80 lbs. #4 Green: 1-3/4 in. 50-120 lbs. #5 Black: 2-1/2 in. 60-150 lbs. The #0 Orange band provides our lowest level of resistance and is great for light stretching, warming up, rehabilitation and shoulder activation. Bands #1 & #2 are best for general conditioning, rehabilitation, stretching, jumping, speed training, aerobics, and for lifters as assistance for the upper body to increase the resistance for bicep and triceps. Either band is great for beginners and light weightlifters. Both can be used to safely increase the intensity of a workout without adding additional weights to a bar.