Unique Spaghetti vinyl-loop surface effectively scrapes dirt and mud off of shoe soles, helping you keep your carpets and flooring clean. Water-proof, loose-weave fibers are easy to shake or hose clean. Thick polypropylene-foam backing traps and hides moisture. Indoor/outdoor design accommodates light to medium traffic levels. Excellent in a wide variety of public and commercial environments: healthcare facilities, hotels, office buildings, churches, restaurants, etc. Confidence Warranty.