High quality materials: The tensioner is made of TPR, soft and comfortable, especially suitable for sports equipment manufacturing, strong and durable, flexible, not easy to deform and rust. Unique Design: The shape of the handle of the spanner is arc-shaped, which allows you to hold the handle well for exercise. The antler buckle design can firmly connect the handle with the rubber tube and is not easy to fall off. 5-tube adjustable rope: The breast enhancer is foldable, and each of the 5 ropes inside can be taken out separately become. Xiaobai must have fitness equipment to adjust the tensile strength. Easy storage: Because the tensioner has high adjustable power and is also made of TPR, the tensioner is light and easy to carry and store. Multi-purpose:It has a particularly strong fitness effect, which can effectively train your chest muscles, latissimus dorsi, shoulders, triceps and many other muscles. Keep exercising and improve your overall temperament.