Window Insulation Kit for Winter – 42” X 62” – Clear Sealer Plastic Winterizing Shrink Covering to Block Cold Winter Air – Double Faced Tape – Saves 35% Heat Loss – Easy Install 42” X 62” Window film fits most standard windows for easy window winterizing Can be installed on metal, painted, varnished wood or vinyl clad window frames to keep cold out Included double sided strong tape to create a tighter seal and prevent heat loss Saves up to 90% heat loss on single pane windows for efficient window sealer Easy install – Apply tape, wait 15 minutes, apply film tightly over windows and secure against tape, smooth and eliminate wrinkles with hair dryer, trim excess film. Full instructions included on the back