This 18x30 inch doormat is made of high-strength polyester and is capable of withstanding harsh conditions. The last thing you want your doormat to do, when your boots are muddy, is to slip out from under you. This doormat will remain in place and absorb any mud tracked by your boots. This doormat can withstand extreme heat and extreme cold and stay in place no matter the conditions. This 18x30", 100% coconut coir fiber doormat has a natural fiber face to provide the perfect surface for guests to wipe their shoes before entering your home. Shake briskly to Clean. Flammable - Should not be used near sources of ignition. Due to nature of this item, keep mat in shaded area to avoid contact with water. Staining may occur if placed on damp or wet surface.