The Frost King Ezroll Window Insulation Kit is a 2-pack of clear, frosted plastic window film designed to stop drafts and reduce heat loss. Each film has a diameter of 2 inches and measures 420 inches in length and 62 inches in width. The kit includes two units of window film from the trusted brand Frost King, perfect for any room in your home. These easy-to-install draft stoppers are a practical and effective way to improve the energy efficiency of your windows.