1Comfortable & Adjustable & Easy To UseA one-handed elastic band is worn from arm to shoulder. Velcro can adjust the size width according to the shoulder width. Wearing for 20 minutes to 2 hours will have obvious results. Effectively correct hunchback, round shoulders, and poor sitting posture.2Invisible & Undetectable Under clothesSleek and lightweight, this Back Brace can be worn over or under your clothes. The posture brace is invisible and can be worn above or below the shirt and is completely seamless under your clothes. You can easily put it on while driving, at home, working outside, or even during physical activity.3 High Elastic Posture CorrectorThe belt of the posture corrector is made of high elastic material, integrated molding, 8-word open shoulder double stretch, soft and comfortable. It will not pinch your body like traditional material. The adjustable high elastic belt can be adjusted to any position you feel comfortable.4Relieve Pain Our Spinal support relieves pain by correctly positioning the spine, neck, shoulders, and waist to reduce body pressure and tension.5 Comfortable & BreathableBack posture brace made of high quality imported material, the soft and elastic fabric makes it comfortable to wear, the fabric is breathable and light for all environments. You can wear it at home or in the office.