Welcome a pain-free life HADSOMUN back straightener is designed to relieve bent back, neck, shoulder and back pain caused by long working hours and looking at phones and computers. Especially suitable for people with light hump, people with bent head and office workers. Innovative design: our back strap has been developed by a professional team according to the scientific philosophy of ergonomics and mechanics to correct your posture in the most comfortable way, suitable for chest sizes from 24 inches to 47 inches. Fully adjustable and breathable, it can also be worn under clothing. Its breathable function is suitable for summer clothing. Healthier and more confident - Start wearing our back strap 5-10 minutes a day, and then increase the time to one or two hours each. After a while, you will find that you stand bigger, fitter, more confident and the body curve is perfect! Durable when it comes to quality, we leave nothing untested. Our posture corrector features durable high-end seams for a smooth touch. High-quality, soft, breathable, comfortable and lightweight fabrics allow people to wear them without discomfort. The back support is washable and recyclable. Improve your posture anytime and anywhere: the small and lightweight shoulder strap posture corrector helps you develop good sitting, standing and walking habits anytime and anywhere. You can use it at home, in the office or in your free time. It can also be used when running, hiking and yoga.