Features: Our Posture Corrector effectively prevents hunchback and improves posture, relief back pains for a healthier lifestyle. Craft from breathable mesh and nylon, this posture brace is adjustable to fit various body type, ensuring comfort and ease of use. Great for office Worker, students, driver, and anyone experiencing hunchback issues, this back support is designed with your needs in mind. Suitable for long hour of sitting in office, school, or while driving, it can also be used at home for daily posture improvement. Practical and portable, this posture corrector can be worn discreetly under clothing, making it convenient for everyday wear and travel. Specifications: Component: Mesh and nylon Color: As picture shown Optional Size:approx. As picture shown Size:S Waist:66.04-86.36cm(26-34inch) Size:M Waist:86.36-104.14cm(34-41inch) Size:L Waist:104.14-124.46cm(41-49inch) Quantity: 1pc Package Includes: 1pc Posture Corrector note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of item.