Posture correction belt provides support for shoulders and back, helps correct hunchback and spinal curvature, and maintains proper sitting, standing and walking posture. Made of flexible and soft fabric, it is light and comfortable with flexibility, allowing you to wear it without tension, protecting the spine and being skin-friendly for a more comfortable orthopedic process. Based on ergonomics design, our posture brace helps you develop a straight back, strengthen your shoulders, neck and back, create good posture, ameliorate pain in the neck, shoulder and upper back, and change bad slouching habits. Easy to wear - just like putting on and adjusting a backpack and a support belt, you can easily put on and adjust your brace to form fit your upper back and lower back to provide custom, targeted support to relieve pain. Invisible under clothes and completely discreet for your comfort, you can wear this posture corrector brace while at work, home or out and no one will know you have it on. Features: 1. Straighten your back and stretch your shoulders to help you develop good habits. 2. Flexible and soft fabric reduces oppressing sensation at underarm, comfortable to use. 3. Humanized design with elasticity that won't curb your body, skin-friendly and breathable. 4. Provides support for the shoulders and back, helps correct hunchback and spinal curvature, and maintains proper sitting, standing, and walking posture. 5. Tightness is adjustable, you can adjust it according to your needs. Color: As shown. Optional Size: XS, S, M, L. Size Chart: XS suitable for 22.5-37.5kg, 100-140cm / 39.4-55.1in; S suitable for 37.5-45kg, 140-160cm / 55.1-63in; M suitable for 45-60kg, 160-170cm / 63-66.9in; L suitable for 60-80kg, 160-180cm / 63-70.9in. Package List: 1 x Back Correction Belt