1、Posture Correction and Pain Relief: The linear posture corrector with back support improves posture and helps achieve a clear and upright back and shoulder posture in a short time. Improve left and right humps, shoulder problems, make you more confident and attractive. It relieves neck and shoulder pain.2、Easy to use: The posture trainer can be adjusted like a backpack. High-quality breathable material and soft straps ensure optimal comfort.3、Freely adjustable size: The size of the posture corrector can be freely adjusted to fit all types of busts. Practical design, breathable, machine washable straps.4、Improve your posture anytime, anywhere: This posture corrector is discreet and hidden under clothes. Use it at home, in the office or in your free time to improve your posture while exercising.5、Primary medical treatment: Using the back support correction helps improve posture and treat your health: clavicle, thoracic kyphosis, shoulder adjustment, upper back pain, neck pain.