No other mat in the industry traps water and dirt so effectively. WaterHog mats are constructed of rubber reinforced face nubs and the indiamondin design provides crush proof scraping action. Raised, inWater Damin borders trap dirt and water keeping floors cleaner and safer. These mats are perfect indoors or out, especially outside your front door. The border for WaterHog Classic features a commercial rubber border. To clean Waterhog Mats simply use a vacuum, extraction cleaning or hose off and hang dry.