1. QUALITY: We use soft fabric edges to make the posture brace comfortable to wear, but it is NOT allowed to overtighten the belt. The belt of our posture corrector is wider and thicker, ensuring it won't cut into your arms when the straps pull your shoulders back. 2. HELPFUL FOR: Correcting posture in both children and adults with the following symptoms: rounded back, poor posture, kyphosis, spinal curvature, thoracic surgery kyphosis, thoracic lordosis, clavicle fracture, spinal misalignment, rounded shoulders. You can wear this posture support at home, in the office, or anywhere you like. Persist in using it longterm, and you'll notice your posture improving steadily. 3. FULL BACK SUPPORT: This posture brace focuses on providing complete back support. Effective and strong support alleviates back, neck, and shoulder pain caused by poor posture. Additionally, the adjustable waist belt supports both the upper and lower back, making it easy to wear. 4. MEASUREMENT: Please measure your exact waist circumference with a tape measure before . The posture correction brace is designed to help correct your posture—it does not assist or any other conditions. The back brace corrects your posture the right way. If your waist fits two sizes, please choose the smaller one.