Size Guide: S:Height :100cm-155cm Chest Circumference ( 57cm-67cm) 40-55kg M:Height 128cm-165cm Chest Circumference (68cm-80cm) 55-65kg L:Height 155cm-175cm Chest Circumference(81cm-100cm) 65-75kg XL:Height 160cm-180cm Chest Circumference(81cm-110cm) 75-90kg Product Description ✅PAIN RELIEF & SUPPORT FOR BACK & SHOULDERS Posture Corrector - Do you sit in front of a computer for hours or do you have discomfort and soreness in your back and shoulders? posture corrector provides the much-needed support your body is seeking to help improve your overall spine health and posture. ✅ HEALTHY AND IMPROVE POSTURE: Based on Ergonomics design, Gearari posture brace helps you develop a straight back and strengthen your shoulders, neck and back, creating good posture, ameliorate the pain in the neck, shoulder, upper back and change the bad habits of slouching. ✅ EFFECTIVE AND COMFORTABLE: Posture corrector has been approved by FDA, use lightweight, soft, porous ventilating materials that keep your skin comfortable. ✅ INVISIBLE UNDER CLOTHES: Wear under a blouse or shirt. When you go out with a straight posture, you will look confident, healthy and looked younger. What’s in the box: 1 x Smart Posture Corrector #PostureCorrector #BackSupport #ShoulderSupport #PostureCorrection #ClavicleSpine #PosturePrevents #womanmen #belt #Health #brace Kind reminder: Please record a video before unpacking. If there are any issues with the product, please contact us promptly