Pull Band Set 2 is the best beginner set for Pull Ups for most adults between 120 to 225 lbs. It includes the Purple 1 1/8" & Green 1 3/4" Wide Loop Resistance Bands. Loop the Band your pull up bar, tie a knot, put one foot inside the loop, and begin doing assisted pull ups. Once you can do 20 Reps with the Green Band, move to the Purple Band and repeat until you can do unassisted Pull Ups. Body Bands are great for: * Cross Training Programs such as P90X & CrossFit * Pilates and Yoga for Strength and Flexibility * Personal Trainers and Fitness Instructors * Business travelers or anyone on the go * Athletes through any fitness level * A Simple, Fast, and Effective Workout All bands are made of 100% natural latex through a continuous layering process to ensure long life. All bands are 41" in length and 3/8" thick. These high quality bands are made from natural rubber latex using a single continuous layering process. This gives each band 11 layers of latex for added strength and performance...much better than molded bands most others sell at this price point. Loop Band Resistance Levels: * 1/4" | Light Orange | 5 to 15 Pounds of Resistance * 1/2" | Red | 10 to 35 Pounds of Resistance * 3/4" | Black | 30 to 50 Pounds of Resistance * 1 1/8" | Purple | 40 to 80 Pounds of Resistance * 1 3/4" | Green | 50 to 120 Pounds of Resistance * 2 1/2" | Blue | 60 to 150 Pounds of Resistance * 3 1/4" | Orange | 70 to 180 Pounds of Resistance * 4" | Grey | 80 to 200 Pounds of Resistance Why Body-Bands? Body-Bands offers you great high quality products, a 60-Day Money Back Guaranty, and a 1-year warranty. .