DescriptionEffectively correct the problem of incorrect posture of the adults' back, and help them to develop better skeletal development. Effective correction for adult's walking position, due to long-term sitting posture is not correct.Features- Color: Blue. - Material: Spandex, PP, PE, EVA. - Size S: About 71-80cm(Bottom Chest Circumference);. - Size M: About 81-91cm(Bottom Chest Circumference); - Size L: About 91-111cm(Bottom Chest Circumference). - Made from material, durable to use. - Easy to wear under clothing - Suitable for woman, lady, female use etc. - It prevents chest sagging and humpback, you will have the nice-looking figure. - Wearing for a long time can improve bad posture on the back and improve self confidence.