1Provides support for the shoulders and back, helps prevent hunchback and spinal curvature, and maintains proper sitting, standing, and walking posture. 2Widened shoulder strap, balances the pressure on shoulders, open shoulder and broaden chest. 3Magnet designs, magnet therapy, improve body microcirculation, good for healthy care. 4Adopts quality fabric, soft and skin-friendly, non-irritating and comfortable to wear. 5Tightness adjustable, you can regulate it according to need to increase comfort level.