Rubber-reinforced polypropylene carpet ridges trap dirt and water and include 24-oz. fibers for superior absorbency. 100% rubber backing for maximum durability. Use as an indoor mat or as an outdoor mat in warm to moderate climates. Simple to clean—just vacuum or hose off. Not recommended for use in areas exposed to grease or petroleum products. Passes flammability standards DOCFFI-70. Certified High Traction by the National Floor Safety Institute (NFSI). Manufacturer’s limited lifetime warranty. Made in the USA.