100-percent Coconut Coir Fiber. A strong natural occurring fiber used to create stiff bristles perfect for scraping dirt and mud from shoes and boots. Natural fiber cells absorb water, captures dirt and debris keeping your floors safe from outdoor grime. Large doormat measures 18x30 inches and is a half inch thick providing a low profile to prevent tripping and provide an easy door clearance. Non-Slip PVC backing to prevent slipping and to keep your rug in place at the front door. DII offers doormats with stylish designs to add personality and style to your entryway, including seasonal designs allowing you celebrate each holiday and season in style. These durable rugs aren't just for your front porch or entry way, use on patios, in a garage, laundry room, mud porch, entryway - any entry or exit with high traffic would benefit from these indoor/outdoor rugs To clean, shake briskly. To prevent fading place in shaded area. Staining may occur if placed on wet surface.