[Scapula / back ] It is easy to get tired from daily work and housework, and your back and shoulders will be stretched and hardened. Introducing an "improved training tube" can easily eliminate back stiffness at home or at work! It is a tube is lightweight, has good elasticity, is easy to grip, and allows you to freely twist your wrist. While watching TV, you can easily relax your back and pectoral muscles and your shoulder blades. [Train your whole body] With a set of 2 lengths of 36CM and 50CM, you can the length suits you according to the scene you are interested in and the part you want to train, and you can feel a different by adjusting the force. You can get it. Training with your family is also a good item. It can be used for multiple purposes such as stooping and dieting. Not only the back, but all parts such as legs, hips and arms can be effectively strengthened. There is little risk of injury even after long-term , and it can be trained widely from children to the elderly. [Durability and elasticity] Made of high-quality TPR material is environmentally and soft to the touch, it has durability and elasticity. Unlike other rubber band products, it has a more natural, elastic and flexible grip. The non-slip surface gives you more friction with your palm while exercising, ensuring your safety. [Lightweight and easy to carry] A lightweight and easy-to-carry training tube does not need to be placed in a convenient place. You can exercise anytime, anywhere you like. You can easily enjoy muscle stretching at home, in , in the gym, outdoors, or when traveling. Colour: Material: TPR Package Contents: 2 * Muscle Training band(36cm/50cm) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.