Extra-large Durascrape Mats are constructed of durable, time-proven AstroTurf. Thousands of scrubbing blades scrape dirt from your shoes, then hold and hide the dirt, preventing it from being tracked into your RV. Perfect for any high traffic door. AstroTurf mats have been keeping homes clean for over 25 years and are backed by the Good Housekeeping Seal of Approval. 17 1/2" x 29 1/2". USA.