1.Upgrade 4 Resistance Level effective whole body work out: The latest design with level light, medium, strong ,heroic, convert bands of different strengths were used for different positions training , suitable for whole-body exercise from beginners to professionals, from light to heavy. 2. Material : Made from durable soft polyester and strength latex is specially designed to not roll or pinch clothes while you workout, comfortable and breathable,tough, break-resistant, high elastic, strong telescopic ability,the knitting is tight and neat for butt,knee fitness 3.Multiple sport: Exercise Squat bands support a variety of workouts and activities, including yoga, Cross Fit, insanity, beach body. It can exercise all parts of abdomen, leg muscles and arm, buttocks, etc. Ideal for physical therapy, rehabilitation, pull-ups, stretching, powerlifting and more.The different training modes of the exercise bands can make your whole body stronger and continuously increase athletic ability or muscle endurance and strength in a gentle but effective way. 4.Exercise Bands Suitable for almost everyone anywhere: you can use it exercise anywhere you want, such as at home, gym, outdoor or even office. There is no requirement for any site and time you can effectively pick every fragmented time to exercise alone or with mates. these are convenient to carry with and use.