The Frost King Premium Indoor/Outdoor 9-Window Insulation Kit provides the ultimate solution to enhance the comfort and energy efficiency of your living spaces. Engineered to provide superior insulation and protect against the elements. The kit features film that is twice as thick as standard window insulation films, ensuring performance and durability for high traffic areas. The film shrinks tight and wrinkle free with an ordinary handheld hairdryer and provides excellent clarity for an outside view. The extra wide, 5/8-inch specially formulated tape allows the film to be installed for outdoor use. Our insulation kit ensures that your windows remain an efficient barrier between your indoor spaces and the outside world. This Frost King Energy Smart® product is a low-cost insulation and draft seal solution that can save up to 35% heat loss in the cold winter months.