Back Brace Posture Support Correctors are designed to help you get the support you need for all day and all night comfort. Commonly used by people suffering from bad posture correction, spine straightening, slouching, rounded shoulders, hunchback, hunching, spinal support, upper back posture support, and much more!<br><br> Size: 40–60 inch, Shoulder strap length:19 inch (Maximum length 37 inch),Vertical length of back:8.46inch,Thickness:0.5 inch<br> Color: black<br> Weight: 0.22 lb / 100 g<br> 1 * Posture Corrector<br> 1 * Instruction<br><br> <b>PROJECT CONFIDENCE, NEVER SLOUCH AGAIN </b><br><br> Refine your posture by building long-term muscle memory with ergonomic design. Wear it 20 - 30 minuets a day, after 14 days you shall be amaze with the difference! Continue use for 90 days to build muscle memory, then you shall always walk proudly and confidently. <br><br> No self-conscious to change your posture. The posture corrector has a discreet design, almost invisible so that you can wear it under your clothes or blouse at work or home, and is not noticeable or bulky. Featuring strong but lightweight breathable washable materials .<br><br> <b>How to wear your back corrector and get the natural posture?</b><br><br> Simply, start by wearing it for 20-30 minutes, begin to progressively extend the amount of time spent wearing it by 5-10 minutes and increase to 1 hour a day. By this, it would make your posture perfect and would then only have to be worn occasionally. Of course, avoid wearing posture corrector's for extended periods of time as it should only be used to fix posture rather than provide permanent support.