【Because of Poor Posture】When you look at a computer screen with a hunched back, your chin naturally juts forward, right? This kind of poor posture is sometimes called "smartphone posture" or "IT posture," and it seems modern people are in an environment that naturally leads to it. Poor posture can cause "looking older," "skin problems," "swelling and sagging," "shoulder stiffness," "back pain," "headaches," and "oxygen deficiency." 【Free Size】Unisex, can be worn by adults and children as a posture supporter. The corrective force can be adjusted by the length of the band, allowing you to find the right fit for you. Easy for anyone to put on and fits various body types. 【Live a Life with a Core】To improve your posture, you need to go to a chiropractic clinic to correct the misalignment, but for those who say, "I don't have the time..." or "It's too expensive...", this is perfect! First, let's try what we can do! By teaching your body the correct posture, let's make both work and private life fulfilling. *May be delivered in the old package.