Features 1、1. Provide clavicle posture support for all activities, including exercise, weight lifting and sitting at a computer desk. 2、2. Better alignment makes you look taller and slimmer. 3、3. It makes you look more confident and powerful. 4、4. The correct posture helps to eliminate the discomfort of the back, neck and shoulders. 5、5. It can be easily worn under a shirt when going to work, and it is also very concealed under clothes. 6、6. Our clavicle correction belt is made of lightweight, breathable, high-quality, flexible and adjustable materials. Name: Posture Corrector Material: Nylon Color: black, gray, Suitable for: adult men and women Applicable scenarios: common hunchback, high and low shoulders, shoulder joints, arthritis, acromion joint looseness, clavicle fractures, clavicle dislocations, scapula fractures, etc. Size: S, M, L, XL S: Bust: 46-68cm / 18-26''; Suitable weight: 20-40KG M: Bust: 68-91cm / 27-36''; Suitable weight: 40-60KG L: Bust: 91-119cm / 36-47''; Suitable weight: 60-90KG XL: Bust: 119-150cm / 47-59''; Suitable weight: 90-100KG Package List 1*Back posture correction belt