Back & Lumbar Support Cushions Improve Posture Shoulder posture brace or clavicle brace will hemp you to have a straight back and healthy look again! Back brace posture corrector will let you look confident! Relieves Back Pain Device supports and helps hunched back or kyphosis in the thoracic and cervical upper back cause by sitting at desk with poor posture. Great natural posture is important for aligning lumbar lower back to help relieve pain and Symptoms such as sciatica, lordosis, and scoliosis. Breathable Material Our back brace support lower brace is made with high-quality materials that are both comfortable and breathable. You can wear this at work, at home, or doing casual activities under the clothes. Size Chart: S---waist circumference: 69-81cm/27-32nches M---waist circumference: 82-91cm/32-36inches L---waist circumference: 92-101cm/36-40inches XL---waist circumference: 102-112cm/40-44inches Wear It Anytime and Anywhere This posture corrector back brace with maximum comfort in mind so you can easily wear it at work, while driving, at home, working outside, or even during physical activity! You only need to wear the posture support brace for 30 minute a day for the first week to start feeling the amazing benefits.