Heavy-Duty Shoe-Scraper Mats • The powerful "fingers" virtually scrape out all debris and moisture as you walk across the mat • Beveled edges add to no-trip safety • The mat holds pounds of dirt between cleanings and is easy to shake or hose clean • Actually contains 2,500 rubber scrapers per square foot • Constructed of high-quality, durable rubber for long wear • The overall mat thickness is 5/8"