Half Round Door Mat Entrance Rug Floor Mats | Ripple Pattern Mat | Garage Entry Carpet Decor for House Patio Grass Water 18*30-inch | Semi-circle - Black Unique ridged construction effectively removes and traps dirt and moisture Molded design will not crush or breakdown over time or use Anti-Static, 100-percent premium polypropylene fiber face will not mildew, mold or rot The rubber and soft fibers are both gentle on flooring and weather-resistant for outside use The rubber and polypropylene fibers dry quickly to eliminate any bacteria. This keeps your mat fresh and your house clean