Features: 1. A Must-have Fitness Device: Whether you are just starting out with pull ups or you are an athlete working on regaining or enhancing your strength, the resistance band will help you take your pull up and chin up training to the next level. 2. Suitable for Full-Body Workout: Get ripped, slim down, become athletic by Advancing Muscle Mobility, Strength and Stability. With pull up assist Bands you can workout in the gym, in the park or at home. 3. Safe Multifunctional: Stretch bands offers effective training. Workout your arms, back, legs, and butt all at once with mobility band, perfect for for body resistance training to help strengthen torn ligaments or muscles. 4. Set of 4: Sold as a set, each fabric resistance band offers a different amount of resistance, ranging from 15 to 125 lbs. of resistance. Contains four colors of red, purple, green and black. The width of red is 13mm, the width of black is 22mm, the width of purple is 32mm, and the width of green is 45mm. It is a versatile accessory that will become a must for your workouts. 5. Suitable For Daily Use: Each fitness bands is carefully constructed to resist snapping and breakingwhich are able to withstand intense daily exercise sessions. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Material: Latex, TPE Size: As the picture shown Color/Style: As the picture shown includes: 4 x Assistance Band 1 x Storage bag