Keep the heat in and the cold out. It’s a simple and fast installation with lowers heating costs and saves energy. Clearest window film available. It’s very easy to use with comfortable.
Window Insulator Kit
- EXCELLENT VALUE SET: The package contains 2 pieces 62" x 210" of crystal clear film and 2 rolls 1/2-inch by 84-feet of double-sided tape, available in a variety of indoor window sizes, enough to insulate up to ten 3' x 5' windows.