POWER GUIDANCE PULL-UP ASSIST RESISTANCE BANDS Whether you are just starting out with pull ups or you are an athlete working on regaining or enhancing your strength, the POWER GUIDANCE resistance band will help you take your pull up and chin up training to the next level. Lightweight, Perfect For Traveling & Easy To Transport. With your Power Guidance pull up assist bands, you can always find time in a busy day for workout, and you can exercise anywhere you want... in the park, your hotel room, at work, at home, and of course at the gym. Tuck it into your luggage, brief case, lunch bag, or purse and say hello to more efficient training. 5 Different Levels to Choose: 41 inches Long X 0.5 inches Wide - Red Band (5-35 lbs) 41 Inches Long X 0.9 Inches Wide - Black Band(10- 50 lbs) 41 inches Long X 1.3 Inches Wide - Purple Band (25 - 80lbs) 41 inches Long X 1.8 Inches Wide - Green Band (50 - 125lbs) 41 inches Long X 2.5 Inches Wide - Blue Band (60 - 150lbs) The Thicker The Band, The More Assistance It Gives for Pull-ups. We Highly Recomend Buy Several Different Sizes so You Have Them Handy as Your Skills Improve.