Trailer Fender Rock Gravel Guard Embossed Black Stick On Vinyl 9″ Wide x 72″L. Adhesive backed and easy to apply to any metal, plastic smooth surface. Clean surafce with rubbing alcohol or lacquer thinners to remove any oily residue.Trailer Fender Rock Gravel Guard Embossed Black Stick On Vinyl 12″ Wide x 72″L. Adhesive backed and easy to apply to any metal, plastic smooth surface. Clean surafce with rubbing alcohol or lacquer thinners to remove any oily residue. Protects Cargo, Campers, Enclosed, Boat, Horse, Dog trailers, UTV,RV, vans, toy hauler, etc from road debris, road salt and any other foreign material found upon traveling. Coverage for 2- single fenders 16 MIL (.016 inches thick) 26 ga. Thickness