Clean Machine RV Step Mat, Made of Tough Thick AstroTurf, 17" x 23" - Black Mat is made of tough AstroTurf (plastic), it is not made of cloth Easy to clean - just hose it off Attach to steps with cable ties- one time installation Package Quantity One (1) Mat Exclusive AstroTurf scrubbing blades scrape shoes clean, then trap and hide dirt.