Due to the back support, the linear posture correction improves the incorrect posture and achieves a clear upright posture of the back and shoulders in a short time. Improve the hunchback, the problem of the left and right shoulders, make you more confident and attractive. At the same time, it can too Relieve neck and shoulder pain. The holding trainer is adjustable like a backpack. Unlike other harnesses, you don't need any additional materials or adjustments to simply lower and remove the back posture brace, making it easy to use. High quality breathable materials and a soft band for optimal comfort. The size of the shoulder bandage is freely adjustable and is suitable for all chest sizes. Suitable for women, men and children. Practical design, breathable shoulder straps can be washed in the washing machine. The back correction that is suitable for your everyday life helps relieve pain and tension. The back stabilizer is discreet and won't show up under clothing, so wear a harness at home, in the office, or for leisure. You can also exercise in your own posture while exercising. Using Back Support Correction Correction will help improve posture, your health treatments: collarbone, thoracic kyphosis, shoulder adjustment, upper back pain, neck pain. Color: black Material: high-quality neoprene (100% latex-free) and durable materials Size: M Note: Cleaning instructions: hand wash with cold or warm water (can be used in the washing machine) and then dry, do not iron or tumble dry. We recommend cleaning the belt before using it for the first time in order to remove the slight initial smell of neoprene. When using our products, it is recommended that you take a break after 20 to 30 minutes. As you get used to it for a while, you can gradually increase the time to 1 to 2 hours. It may feel uncomfortable at first because the upright posture is not used, the body takes time to adjust, and gives itself some patience to gradually stretch and strengthen muscles and ligaments.