The Frost King Window Insulation Indoor Shrink Kit includes three packs of 42" x 62" 1.5mil window film with a frosted pattern and clear color. Designed by the brand King, this window film is specifically created to provide insulation and privacy for indoor windows. The shrink kit allows for easy installation and helps to reduce heat loss while maintaining a clear view from the inside. Perfect for enhancing the energy efficiency of your home while still allowing natural light to filter through.