Strong Support More Effective: This back posture corrector has 2 metal support bars on the back which ensure stability and provide robust support to improve your posture. It can take pressure off the key areas by aligning your posture properly, thus alleviating back, neck, shoulder and clavicle pain. Further, it trains your back and shoulder to make your chest out and shoulders back, boosting your confidence. Innovative Design : Our Posture Corrector incorporates widen shoulder straps designed which reduces shoulder compression. Included Belt Extender: This Posture Brace are designed with sticking straps extender which resolves size anxiety and suitable for who are large-waist or slim. The fixing straps allow you to adjust how tight it forms around your waist and torso, making it much more flexible in achieving a custom fit to your body. Comfortable Wear - Boasting a breathable material and extra strong mesh, our posture brace is comfy enough to wear at home, in the office, or when traveling! It can be worn over or under clothing. Builds Your Confidence - After only ten days of use, our back brace can train your posture and develop muscle memory. You get an improved pose that can make you look taller and slimmer. S---waist circumference: 70-85cm 28-33nches M---waist circumference: 80-95cm 31-37inches L---waist circumference: 90-105cm 35-41inches XL---waist circumference: 100-115cm 39-45inches XXL---waist circumference: 105-120cm 41-47inchesBuilds Your Confidence - After only ten days of use, our back brace can train your posture and develop muscle memory. You get an improved pose that can make you look taller and slimmer. Comfortable Wear - Boasting a breathable material and extra strong mesh, our posture brace is comfy enough to wear at home, in the office, or when traveling! It can be worn over or under clothing. Included Belt Extender: This Posture Brace are designed with sticking straps extender which resolves size anxiety and suitable for who are large-waist or slim. The fixing straps allow you to adjust how tight it forms around your waist and torso, making it much more flexible in achieving a custom fit to your body. Innovative Design : Our Posture Corrector incorporates widen shoulder straps designed which reduces shoulder compression. Strong Support More Effective This back posture corrector has 2 metal support bars on the back which ensure stability and provide robust support to improve your posture. It can take pressure off the key areas by aligning your posture properly, thus alleviating back, neck, shoulder and clavicle pain. Further, it trains your back and shoulder to make your chest out and shoulders back, boosting your confidence.