American Floor Mats Nylon Carpet Scraper Onyx 5' x 6' Gripper Back Rounded Corners Entryway Mat Scraping fibers protrude from the mat's nylon surface for more aggressive cleaning. The Carpet Scraper's combination of these scraping fibers and the Opti-Twist heat-set nylon trap dirt, moisture and grit to guarantee superior functioning. The solution-dyed nylon withstands significant color loss and the overall construction provides for stain, fade and mildew resistance, even with constant exposure to sun and the elements. Ideal for moderate to heavy-traffic, indoor / outdoor areas.