DescribeColors:blueSize:S: Height: 100cm-155cm Chest Circumference (57cm-67cm)M: Height 128cm-172cm Chest Circumference (68cm-80cm)L: Height 155cm-180cm Chest Circumference (81cm-110cm)weight:200gProduct functions and features include:1.Posture correction: The hunchback correction belt can effectively remind users to maintain correct sitting and standing postures, help correct hunchback problems, improve posture, and make the body more upright.2.Comfortable material: Generally, hunchback correction belts are made of soft and breathable materials, which are comfortable to wear and will not cause excessive pressure or discomfort to the skin.3.Adjustable design: Hunchback correction belts usually have an adjustable design and can be adjusted according to personal body shape and needs to ensure appropriate tightness and comfort.4.Off-body reminder: Some hunchback correction belts are also equipped with a reminder function. When the user's posture is incorrect, a prompt will be issued to remind the user to adjust the posture in time.5.Invisible wear: The hunchback correction belt is exquisitely designed and can be worn discreetly under clothes without affecting the appearance of the wearer. It is suitable for wearing in daily life.Instructions:Before wearing, adjust the tightness of the correction strap to ensure appropriate tightness, but not too tight.Wear the hunchback correction belt on the body, usually by putting the double shoulder straps on the shoulders and fixing the waist strap on the waist to ensure that the correction belt fits the body firmly.Make sure your back is straight and your posture adjusted so that the hunchback correction belt works best.In daily life, pay attention to maintaining correct sitting and standing postures. The correction belt will remind you to adjust your posture in time.It is recommended to wear it for a period of time every day to gradually adapt to the correct posture, and at the same time pay attention to strengthening the back