Workout Bands: The resistance bands come with strong ductility and wear resistance, and could meet your various daily exercise needs. | 4 Exercise Band Levels: The package includes set of 4 exercise bands correspond to different colors, Yellow(5-15 lbs), Red(15-35 lbs), Black(25-65 lbs), Purple (40-90 lbs), 81 inches in length and can be used alone or combine multiple stretch bands for exercise to increase the challenge. | Great for Stretching & Resistance: Our workout bands are great for stretching or doing some strength training, muscle building, arms, shoulders, chest, gluteus, leg stretching, pull ups, and fat shredding workout programs. | Easy to Carry: The exercise bands resistance bands set come with a dual shoulder strap organizer bag for easy portability. you can keep your workout wherever you go, at home, gym, or even you travel. | Your Movable Gym: Our elastic bands for exercise can offer variety of training. Exercise your legs, back,arms and chest all at once with mobility band, perfect for body Shaping and physical therapy to help strengthen torn ligaments or muscles.