It can used for back training, shoulder and neck stretching, open back exercises, and thin arm exercises to meet the fitness needs of various body part. Adopting elastic rope designs, it can freely adjust according to personally needs, and can stretch to great position, effectively releasing muscle tension and fatigue. Make of soft materials, it have excellent elastics and durability, and can withstand long terms use and stretching. Adopting 8-shaped designs that conforms to ergonomics, it can fit the back, shoulder and neck curves, providing a comfortable stretching . Package includes: 1pc Resistance Band