Adjustable: Easy to use with Velcro features and adjust the shoulder straps to the proper position that works for you! Material: 15% polyester, 70% neoprene and 15% nylon. Back brace: Improve your posture with this adult posture corrector adjustable back brace. Features: Provides stable support with two bars that helps to keep your back straight! Benefits: Provide effective support to your muscles and spine to improve your natural alignment and prevent you from hunching over - making you feel more confident! Options: Available in four sizes, choose from a small, medium, large or extra-large. Adult Posture Corrector Back Brace | Living Social | Living Social