*Reduces Back Pain: Sitting in front of the computer for a long time causes pain in the back and shoulders. Using the posture corrector not only improves your sitting posture and relieve soreness, but also increases your confidence. *Comfortable and Superior Quality: The Posture Corrector is made with breathable, strong, washable, and high-quality materials, for long-lasting back support. Softer, foam shoulder pads are designed for comfort and won't dig into your skin. Wear it at the office, at home or just on a walk to improve your posture when it's convenient for you. *Premium Construction and Highly Adjustable: The double X design and two brace plates ensure stable support to improve your posture. Three sizes to choose from which for waists from 23" to 50" while strong, long-lasting straps let you adjust for a fit that's just right for you. *Easy to wear: You can easily put on the posture corrector by yourself following these steps: First, just put on the posture corrector and adjust the shoulder pads. Second, fasten the waist band comfortably. Third, pull on the elastic back straps and attach the Velcro to the waist belt. Finally, your shoulders and back will feel stretched. *M: Waist is 23-32in, bust is 27-39in; L: Waist is 33-41in, bust is 31-43in; XL: Waist is 38-50in, bust is 43-55in