Schiek, the name for high quality, innovative and state of the art fitness products. This nylon belt is 4 3/4" wide in back. The patented downward angle fits the natural shape of your back and the patented hip and rib contours provide extra comfort. Patented one-way Velcro? ensures an exact fit. The belts widen in front for extra abdominal support. Dual closure system with heavy duty stainless steel slide bar buckle. * Two-year warranty * Washable - hand wash only with mild detergent and air dry * Made with pride in the USA Size Chart (Waist Size): Small: 27" - 32" Medium: 31" - 36" Large: 35" - 41" Extra Large: 40" - 45"