The GrassWorx Clean Machine door mat is a MUST for outdoor living spaces. With its genuine AstroTurf patented process that creates thousands of small blades to scrape your shoes clean, plus a rugged construction that won't fade or shed, it provides superior protection and stays looking sharp. This 24" x 18" Daisy Evergreen mat also features a nonslip backing and is easy to clean with just a shake or a hose.