Features:It can help you stand up straight and even sit up straight when sitting down.Ergonomic design offers whole back support, keeping you away from the round shoulder.Made of breathable fabric, soft, smooth, and skin-friendly, safe to use.Helpful for shoulder, neck, and back relief caused by incorrect posture.Comfortable and easy to put on, adjust and take it off.Note:1. No bleaching.2. Hand washing.3. No drier.4. Please do not wear it when sleeping. 5. Please do not use it if you have severe backaches or feel discomfort when wearing it.