NeeBooFit Resistance Pull-Up Band, for Assisted Pullups, Stretching, Powerlifting - Single Band 41 Inch Loop, Choose from 5 Levels SOLD AS A SINGLE BAND - Choose 1 of the 5 resistance levels (Red = 1/2 inch, Black = 3/4 inch, Purple = 1 1/8 inch, Green = 1 3/4 inch, Blue = 2 1/2 inch). All bands are 41" long and 4.5mm thick. THIS IS THE PURPLE BAND - 1 1/8 inch wide (29mm). The resistance provided is between 40 and 80 pounds. OUR MEDIUM RESISTANCE LEVEL - This level is great if you need moderate assistance with your pull ups. Also perfect for moderate exercises and stretches. COMBINE LEVELS - To get the right resistance, you can combine this with 1 or more other bands to get just the right level. LIFETIME GUARANTEE - We back all of our bands with a 100% satisfaction guarantee for life. No questions asked.