Clear One Racing Products Trailer Components Vinyl Door Strips are industrial quality 8" x .08" verilon strips with a full 50% overlap designed to keep dust and dirt from entering the door opening of your enclosed trailer while allowing easy exit and entry. They also allow the use of heat or air conditioning to be used without having to close the door. The length can be trimmed for a custom fit and installation is easy with the unique ceiling or wall universal mount feature.