Duck Brand Roll-On premium window kits have a shrink film that features exceptional shrinkage, resistance to puncture, and excellent crystal clarity. Roll-On has a pre-taped top edge and a rolled configuration for easy application with no pre-measuring required! 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 5 standard 3-Feet by 5-Feet windows.Shrink film features exceptional shrinkage, resistance to puncture, excellent crystal clarityPre-taped top edge, rolled configuration for easy application-no pre-measuring requiredDraft-proof seal, great for indoor and outdoor useTape removes cleanly and easily at the end of the season, no residueKit insulates 5 standard 3-Feet by 5-Feet windows