Place Millennium's Guardian Golden Series Dual-Rib Indoor Walk-Off Mat in your office's lobby to clean dirt and water from employees' shoes. The dual-ribbed 100 percent polypropylene carpet absorbs moisture and dries quickly. Heavy-duty vinyl backing is slip, stain and chemical resistant, and can be used on carpeted or hard surface floors. Simply use a carpet cleaner or vacuum to clean. Available in a number of colors to match your décor. Listed size is approximate.