One End Grand Premier Charcoal 4' x 10.5' Waterhog Entrance Mat - Semi-Circle End, 3/8" Thick A high-low surface pattern extends across both the oval and rectangular portions of these Grand Premier mats to effectively remove dirt and moisture. The surface of these One-End Grand Premier Waterhog Mats is composed an anti-static polypropylene fabric that dries quickly and will not fade or rot; making these floor mats great for outside use. These Waterhog mats also features a water dam border that can hold up to 1.5 gallons/square yard of water to help prevent moisture form being tracked inside. Clean with vacuum, extraction cleaning methods, or hose off and hang to dry. All of the Waterhog Grand Premier Mats are made with 20% recycled content.