Mad Mats - Stripes Warm Brown - 30" X 8' Runner by Mariachi. $44.00. Made of recycled polypropylene which is a plastic like material.. Wonderful color.. Waterproof and washable outdoor rugs. Indoor/outdoor, non-skid surface, reversible. 30" x 8 ft Runner. Decorative outdoor runner with the perfect marriage of functionality and decorative design. Woven using multi colored polypropylene threads. Polypropylene is a plastic rubber like material so you can leave these r...