In the cold winter, protect us from cold air entering the room, prevent the warm indoor air from being lost to the outdoors, and save waste. The winter insulation film with zipper can help you close or open this film freely and easily. Features -Color:White -Material:Plastic -Size:100.00X80.00X2.00cm/39.30X31.44X0.79in -Excellent cold resistance, tear resistance, waterproof, chemical corrosion resistance, safe and , using air conditioning can also keep cool in summer, warm in winter, . -Interior window insulation kits fit most window types such as aluminum window frames, wrought iron grills, sliding Windows, casement Windows, bathroom/sanitary Windows, attic fan covers, shutters, full door attic ceiling ceiling shutters seal covers, attic vents. -Just wipe with a damp cloth every day to remove . When cleaning, simply remove the window veneer from the window and rinse it, then install it back on the window to dry naturally! -Foldable for easy storage, can be used repeatedly. Windscreen in winter, insulation in summer. -Designed with zipper, you can open and close this winter insulation film conveniently and easily. Package list: 3 x window insulation film