The OEM Genuine Joe Golden Series Walk-Off Mat GJO55461 is designed for indoor use on hard surfaces, providing better cleaning action and absorbency. It features a durable, chemical-resistant vinyl backing and ribbed polypropylene that effectively cleans dirt and moisture from shoes. The mat measures 4 feet wide by 6 feet long and comes in a charcoal gray color, making it a practical addition to any entryway.