Features1Long-term back support correction will make the figure look better, thin and unseen, and can be worn at home and office. 2The wide?shoulder Y?shaped design does not cause friction with the back of the neck when worn, reducing body load, and comfortable to wear, suitable for all seasons. 3The soft anti?strangle pad is close to the curve of the shoulder, dispersing the pressure of the lead belt, and the fixed force point of the shoulder forms a horizontal tension perpendicular to the body. The effect of opening the shoulder is visible. 4The elasticity can be adjusted according to your own situation, and the double strap stretch to adjust the shoulder and back tension. 5This is a comfortable, lightweight and beautiful posture correction belt. It applies force to the shoulders, back, waist, and side ribs in a 360?degree balance to achieve a girdle, slim body, straight back effect.SpecificationCondition:100% Brand New Item Type: Posture CorrectorProduct Material: Fiber Elastic + Nylon + Polyester FiberSize Suitable Waist Suitable Height Suitable WeightSizeSuitable WaistSuitable HeightSuitable WeightXS Under 50cm / 19.7in100-130cm / 39.4-51.2in15 ~ 25kg / 33.1 ~ 55.1lbS 33-66cm / 13-26in125-155cm / 49.2-61in25 ~ 45kg / 55.1 ~ 99.2lbM66-80cm / 26-31.5in150-170cm / 59.1-66.9in45 ~ 65kg / 99.2 ~ 143.3lbL80-93cm / 31.5-36.6in160-180cm / 63-70.9in60 ~ 75kg / 132.3 ~ 165.3lbXL 96-106cm / 37.8-41.7in165-185cm / 65-72.8inAbove 80kg / 176.4lbScope of Application:1. Adolescents have poor sitting and walking posture to prevent the habit of bending over and lowering their heads, hunched back and close eyes habits2. Relieve back pain caused by standing for a long time, sitting at desk for a long time, maintaining the same posture for too long, etc.Instructions:Step 1: Stretch out your arms and put on the adjustment shoulder strap to the right position.Step 2: Pull down and level, adjust the position of the abdomen, and glue the rough surface of the abdomen.Step 3: Pull the end of the double Y cross-leader to the abdomen, adjust the tension properly and glue it.Step 4: After sticking the two adjusting straps, raise your head and straighten your back, slim!When using this product, try to straighten your waist and back, wear this product flat on your body, compact the hook and wool surfaces of the adhesive buckle, and pull the end of the double Y cross strap to the shoulder to adjust it to the maximum Good position, stick the protective buckle well to achieve the best pulling effect.Package List1 xPosture Corrector