Single Assisted Pull Up Resistance And Exercise Band By Leanfit - Extra Durable, Heavy Duty, Continuous Loop 41-inch Straps For Powerlifting Or Physical Therapy. Works With All Pull-up Bars. Use for more than just a pullup! These resistance bands can be used for many different exercises! Work your arms, shoulders, legs and more! Get the most effective workout by combining bands. This way you can get more or less resistance, depending on your individual goals. Add variation to your exercise by adding these fitness pull up assist bands. Great for crossfit programs or your own WOD! This is our red, 2.5" thick, heavy resistance band. It is 41 inch long (82 circumference) and 4.5mm thick. Ideal for heavy resistance or assistance levels - about 60-150 pounds - for strength training, stretching and conditioning. Included bonuses: The LeanFit e-guide includes several suggested exercises. Each band comes with a 2 year warranty.