Pull-Up Bands - Resistance & Stretching Capabilities *Helpful during Cross Fitness Workouts* 30 Day MONEY BACK GUARANTEE! YOU HAVE SELECTED #2 BLACK 3/4 (10 to 55 Pounds of Resistance) (1.3 cm) WIDE x 4.5mm THICK x 41 (208cm) LONG. This is a loop resistance band. Its used most commonly for a pull up / chin up assist, light stretching and other miscellaneous exercises. PURCHASE IS FOR A SINGLE Resistance Band. Choose from the 4 most poplar and helpful sizes. OUR OTHER SIZES INCLUDE: #1 Red 1/2 (5 to 35 Pounds of Resistance), #3 PURPLE 1 1/8 (20 to 70 Pounds of resistance), #4 GREEN 1 3/4 (50 to 115 Pounds of resistance) DO YOU LIKE VARIETY AND OPTIONS? DO YOU WANT TO BE PREPARED? Many choose to buy and combine SMALLER sized bands to equal the LARGER sized bands Resistance Levels. Instead of being committed to one large band that offers a fixed resistance, pair up smaller options, so as you get STRONGER, you can lessen the assistance while still getting the little nudge to keep going! HOW TO ACHIVE DIFFERENT RESISTANCE LEVELS? You may notice each of our 4 sizes have a RANGE of RESISTANCE. You can achieve these different levels of resistance by amount you stretch them out. Think of it as shooting a common office rubber band across the room. The farther you you pull it back (or out) the farther it goes. So for these bands, the farther they are STRETCHED the MORE RESISTANCE they will give you. EXAMPLE OF USING BANDS FOR PULL UP ASSISTANCE: You can secure the bottom of the band under your feet and it will give you more assistance than if it was secured under you knees. Using these techniques, you can get the most out of your resistance bands.