DESIGN: Reinforced back pad provides stability without losing flexibility 6" padding provides additional support and comfort for the lower back and abdomen Hook-and-loop strap with steel buckle allows for a custom fit and easy adjustments Designed to fit the natural curve of the back SIZING: Small: 24"-28" Medium: 28"-32" Large: 32"-36" X-Large: 37"-42" Height: 6” Thickness: 10mm