2-Pack Duck Brand 281070 Roll-On Outdoor Extra Large Single Window Premium Insulating Film Kit, 84-Inch by 112-Inch Roll-On has a pre-taped top edge and a rolled configuration for easy application Works well on painted/varnished wood, aluminum and vinyl Guarantees a draft-proof seal. Great for indoor and outdoor use Tape removes cleanly and easily at the end of the season with no residue Kit insulates the outside of one patio door or extra large window