Item Type: Back Corrector Brace Material: Nylon 1Adjust Size: Whether you are a teenager or a male or female, back posture corrector can be adjusted and adapted to your needs to ensure fit and comfort. 2Open Back: Long periods of poor posture can lead to back, neck, shoulder and collarbone pain, back straightener brace can open up the shoulders and back. 3Usage: Whether standing, sitting or walking, our posture corrector brack can help you maintain your best posture, suitable for people who often work for a long time. 4Muscle Memory: By wearing it for 20?30 minutes a day and gradually extending the time, you can develop muscle memory to get used to good posture and keep your back straight. 5Breathable Nylon: Upper back corrector brace made of nylon straps, provide high breathebility while wearing without causing discomfort to your skin, and it can be worn in clothing.1 x Back Corrector Brace 2 x Extended Strap 1 x Manual