✓CUSTOMER FIRST TRADITION - High quality after-sales service Each of SNUSIM posture corrector(upper back brace) has been rigorously tested and made with love, because we believe that you deserve the best. If you have any questions about this posture corrector, please feel free to contact us, our high-quality customer service will let you get satisfactory service. Including free returns, exchanges or refunds. ✓RECOMMENDATIONS FOR THE POSTURE CORRECTOR - We recommend starting 30 minutes a day. When you feel comfortable, gradually increase in 15 minutes increments andthen gradually wear it for 2 hours. Tighten the straps periodically to pull the shoulders furtherback until shoulders lay flat when against the wall. In time, with muscle memory, your body will hold the correct posture without the corrector. Wear it when you feel yourself beginning to slouch. ✓INVISIBLE UNDER CLOTHES - SNUSIM back brace is easy to wear, by magic tape and the elastic and soft sponge pad shoulder strap, you can adjust it yourself to achieve the ideal fit. The posture corrector invisible under clothes - you can wear it when you are out for work, exercise, yoga or leisure! Our posture corrector is different from other traditional back brace. It allows you to move completely freely without hindering your daily life. This is the best back straightener posture corrector!. ✓COMFORTABLE ADJUSTABLE DESIGN - The back straightener brace based on ergonomic design and improve design technology, made of high-quality human body safety and environmental protection materials, and has the characteristics of lightness, breathability, and washing resistance, corrects your posture in the most comfortable way, back support suitable for chest sizes from 25" to 50". ✓CORRECT BAD POSTURE IMMEDIATELY & BACK PAIN RELIEF - SNUSIM posture corrector aims to solve or prevent bad posture, with comfortable and strong back and shoulder support, this back brace relieves back, shoulder, neck and collarbone pain, restores the correct memory of the muscles, and makes it easier to work or stand for long periods of time. Besides, it can also prevent bad postures caused by laziness, protect your overall spine health.Age Range (Description): Adult. Use for: Back. Specific Uses For Product: Posture Correction. Size: One Size. Brand: SNUSIM. Best Sellers Rank: See Top 100 in Health & Household. : B0BBRCN57M. Manufacturer: SNUSIM. Date First Available: August 24, 2022. Package Dimensions: 9 x 5 x 2 inches; 3.99 Ounces.