Doctor-recommended back support to strengthen your spine and guide your body back to its natural alignment when worn for about 2 hours a day. Wear discreetly under clothing to hide it and avoid inconvenience; it can be worn invisibly under a coat. Size options: multiple waist sizes are available. Please see the second size image for details. If you are larger, please choose a bigger size. The back-healthy support is made from high-quality breathable materials. It is softer for comfort and skin-friendly. The Velcro closure is securely designed for strong hold and durability. Wearing the posture corrector for 2 hours a day can help correct a hunched posture, maintain a healthy and attractive posture, and make you feel more confident and self-assured. Use scenarios: - At work or study: wear during long desk sessions to improve posture. - During travel or daily activities: use while commuting or walking to support upright alignment. - Social or outdoor occasions: wear under a coat or outfit to maintain good posture discreetly.