4'x20' - DARK BLUE MULTI - Indoor/Outdoor Area Rug Carpet, Runners & Stair Treads with a Non-Skid Marine backing and Premium Nylon Fabric FINISHED EDGES . Olefin , 3/16&rdquo; Thick + Medium Density. MANY SIZES and Shapes. Rectangles, Squares, Circles, Half Rounds, Ovals, and Runners. Premium Nylon Fabric bound edge that nicely finishes your rug and helps prevent fraying 100% UV olefin and Includes advanced stain protection Durable, NON-Skid marine backing EASY to Clean Premium Quality, Made in the USA