"Dealer Must Remove Protective Cover" is printed on each mat. Give used cars a "new car" look and feel with this protective film. (4 mil) Film is wound on heavy duty 3 inch cores and is perforated every 24 inches. Each application is designed to last up to 45 days. Each mat is 21" wide by 24" long and provides enough product to protect both the drivers and passenger front floors of about 60 or 150 cars(depending on roll size).