Product DescriptionAvailable in a variety of indoor and outdoor window sizes. 3M Window Insulator Kits keep cold drafts out and warm air in through heat shrink window film and Scotch Window Film Mounting Tape. 3M window kits have the clearest film and stay up all season long with Scotch tape technology. Scotch double sided tape holds firmly between films and surfacesAmazon.comWith the 3M outdoor patio door insulator kit, you can lower your heating bills during the winter and make your home more energyefficient. Part of 3Ms line of energysaving products, this kit includes insulation film and a roll of doublesided mounting tape to create an airtight seal. Stretching the film removes wrinkles for a transparent view. This kit enables you to insulate one patio door measuring 6 feet 8 inches by 9 feet.Keep the Heat In and the Cold OutMade by 3M, this outdoor patio door insulator kit contains insulation film along with Scotch film tape to keep cold drafts out and warm air in. As a result, you can reduce your heating costs during the winter. The film shrinks tight around your door frame for a transparent, wrinklefree fit and is made to reduce condensation and prevent frost buildup.DoubleSided Mounting Tape for a Secure SealIncluded with this kit is a 1/2inchby134/5yard roll of 3M film mounting tape to keep your insulation in place all season long. This doublesided tape seals off cracks and crevices, creates an airtight seal, and establishes a strong bond between the surface, the tape, and the insulation film, as recommended in ENERGY STARs Seal and Insulate guidelines. Featuring a convenient, readytopeel liner, the tape adheres easily to a variety of surfaces and stays intact upon removal.Simple, Fast InstallationInstalling the door insulation is easy. You simply unfold the film and cut it to the width of the door frame, allowing an extra inch on all sides. Next, you firmly apply the mounting tape around the frame and remove the paper liner. Then you apply the film to the tape, starting at the top of the door, and reposition and stretch the film to remove wrinkles. Finally, you press the film firmly to the tape and trim any excess film.Made in the United States, and designed for outdoor use only, this insulator kit can be used with aluminum, painted wood, or vinylclad surfaces, but it should not be applied to masonry or to roughly sawn or unpainted wood. The film and tape should be removed from the door at the end of the season. The film measures 7 square yards, or 7 feet by 9.3 feet by 0.75 thousandths of an inch (H x W x D), and weighs 0.24 pounds.Whats in the BoxInsulation film and one roll of mounting tape.