SHIZHI Boutique. Humpback is also a spinal deformity. Humpback not only affects a person's physical appearance, but also stretches the ligaments in front of the chest, affects respiratory function, and easily induces myocardial infarction, syncope, asthma, etc.; SHIZHI Boutique. Applicable to both adults and children, automatic induction function, vibration reminder for abnormal posture; angle induction vibration reminder, 8-shaped design is ergonomic, the body curve is compounded when wearing, it fits the body better, and there is no sense of restraint; SHIZHI Boutique. Scientific correction cultivates body memory, wear it for 2 hours a day, use it for 3 weeks, improve hunchback, keep head up, and sublime temperament; Simple but not simple, the combination of simple and elegant design and intelligent technology can help you improve your posture and image. SHIZHI Boutique. Product color: gray/black SHIZHI Boutique. Product size: 9.7*8.2*2 SHIZHI Boutique. Shipping Quantity: 1 Piece Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin