Keep dirt and water off your floors Polypropylene material dries quickly and will not rot. 100% rubber backing protects your floor and adds durability. Bi-level design holds dirt and moisture beneath shoe level. The raised border keeps dirt and water inside the mat. Designed for indoor and outdoor use. Mat can be swept or vacuumed. Genuine Joe Waterguard Indoor/Outdoor Floor Mat, 3ft. x 5ft., Brown is one of many Entrance Mats available through Office Depot. Made by Genuine Joe.