Unique vinyl loop 'spaghetti' design. Purpose to scrape shoes, removing dirt and debris, hiding the drops in the loops. The strong vinyl loops can stop up to 70% of walked in grit and dirt. Non-rotting, non-fraying and does not hold water. Can be used in temperatures from -20°C without deterioration. Slip resistant backing and will not stain your floor, can be used in exposed wet areas.