IDEAL GIFT FOR PAIN ALLEVIATION: The back straightener and posture corrector is ingeniously designed to relieve chest hunchback, neck, and back pain that is triggered by long-duration work and constantly looking down at mobile phones and computers. This back posture corrector is particularly well-suited for those with a minor hunchback, those who frequently bow their heads, and individuals who work at desks for extended periods. You can present it to your ailing relatives, friends, lovers, colleagues, and neighbors, enabling them to feel joyous and healthy!. BREATHABILITY: Wearing posture correctors for men and women is as simple as wearing clothes. Whether you are at home, in the office, or traveling, easily use our correctors. They are simple, comfortable, ensure breathability. You can adjust the size of the back bracket according to your body shape. After using them a few times, you will get used them. We suggest that you wear it for 10 - 20 minutes at first and add 10 minutes of support every day. NNOVATIVE DESIGN: The back posture corrector uses a cross guide strap to correct the back posture in the most comfortable way. You can easily put on and remove the posture corrector yourself without any help. The size range is M waist (28.34-33.46in), L waist (33.07-37.79in), XL waist (37.40-41.73in), XXL waist (41.33-46.45in). Before placing an order, please refer to our size chart to choose the appropriate size. It is recommended to take a larger size between the two sizes. Don't hesitate when choosing a back brace or posture corrector to achieve a more comfortable fit. ADJUSTABLE: We have designed a unisex posture corrector for both women and men, which helps improve posture, reduce back pain, promote better spinal alignment, and reduce posture related health issues, making your back more straight. COMFORTABLE: Manlingle back corrector is specifically designed for hunchback caused by incorrect posture. This upper back brace is particularly suitable for people with a slight hunch, those looking down, and those who work long hours. You can wear this lazy shoulder strap all day and feel very comfortable!.