JupiterGear’s powerlifting and pull up exercise resistance bands are great for getting the most out of your training. Whether you are just starting out with pull-ups, or you need to increase your weightlifting strength, these fitness bands work out wherever you are. This set comes with the following four resistance band levels: 4 resistance levels Red - Light (10 - 35 lbs) Black - Medium (25 - 65 lbs) Purple - Medium+ (35 - 85 lbs) Green - Heavy (50 - 125 lbs)