1Support bars on both sides of the back support the spine effectively and improve the hunchback. 2Fit your spine, open your shoulders and expand your chest, stretch your shoulders and maintain the correct posture. 3Adjustable fixing strap, easy to adjust tightness, more comfortable to wear, bring you convenience. 4Tight fit, beautiful, light and breathable, easy to put on and take off, adopts high quality fabric, skinfriendly and durable. 5Exquisite workmanship, multiple sizes of back corrector are optional, you can choose according to needs.