Stria is our economical ribbed-pattern solution for low traffic entrances. Retains moisture for increased cleaning efficiency. Gently brushes debris from shoes. As a wiper/scraper, Stria will get rid of the dirt while retaining water so fewer contaminants enter the building. Affordable solution for small commercial locations. Fiber: Polypropylene. Weight surface: 12 oz. per square yard. Backing: Vinyl. Thickness: 5/16". Type: Needlepunched.