Feature: 1. Back braces provide back support, correct poor posture and make you look more upright. 2. Provides stability and protection for your shoulders and muscles, relieves shoulder, neck and back pain, and thus reduces back stress. 3. Wearing this back straighteners over a period of time will develop muscle memory, which means you'll keep straight even without posture corrector. 4. Using lightweight, breathable materials means you'll stay cool while promoting proper posture. 5. The adjustable design allows you to fit your body to the maximum extent, allowing you to wear more comfortable. Specification: Item Type: Back Brace Posture Corrector Color: Black Size Suitable Height S 140-160cm 55.1-63in M 155-168cm 61-66.1in L 165-178cm 65-70.1in XL 175-185cm 68.9-72.8in Package List: 1 x Back Brace Posture CorrectorRELIEVES BACK STRESS: Back Posture Corrector provides stability and protection for your shoulders and muscles, relieving shoulder, neck and back discomfort to reduce back stress. Adjustable design allows you to best fit your body for a more comfortable fit. IMPROVE HUNCHBACK: The support bars on both sides of the back of the Hunchback Correction Belt effectively support the spine and improve the hunchback. The back support provides back support, corrects bad posture, makes you look taller, suitable for most people, teenagers or students need posture correction to prevent myopia when doing homework. AVAILABLE IN 4 SIZES: Back Spine Support Belt is exquisitely crafted, and a variety of sizes of rear correctors are available to choose from. The upper back straightener conforms to the physiological curve of the human body and not only makes you look more confident, posture actually makes you more confident. SPINE SUPPORT: The Back Correction Belt fits the spine, spreads the shoulders and expands the chest, stretches the shoulders, and maintains the correct posture. The Adjustable Back Posture Corrector provides a simple physical solution to keep the back straight while limiting movement to relieve spinal discomfort and pressure. LIGHTWEIGHT AND BREATHABLE: Adjustable Back Straightener is tight-fitting, beautiful, lightweight and breathable, easy to put on and take off, made of high-quality fabric, skin-friendly and durable. Wearing this back straightener for extended periods of time improves muscle memory, which means you can stay straight even without a posture corrector.