Durable And Quality Exercise Bands: Resistance Bands Are Made Of Rubber Material , Which Is Strong Wear Resistance And Can Withstand Extreme Tensile Force. You Can Train Without Any Worries Of Tear Or Wear | | Good For Stretching And Resistance: Our Resistance Bands Work For Anyone Need Stretching Out Those Sore Achy Muscles After A Workout And Stiff Ones For Before The Workout. You Can Use Them To Stretch Out Before Deadlifts And Squats | | Multi-Functional Resistance Bands: Resistance Bands Can Used For Multiple Exercises, Such As Strength Training, Assisted Pull-Ups, Basketball Tension Training, Warm-Ups Etc | | Your Personal Home Fitness Training: You May Add To Your Home Gym. It Will Help Assist In You Pull-Ups At Home Or Use Them For Pull Up And Dip Assist, Stretching, And Even Adding Some Resistance To Squats | | 4 Resistance Bands Levels: Pull Up Assist Bands Come In 4 Resistance Levels, And Each Color Is Different Resistance And Width For Different Purposes..