NEW - (Lot of 4) x - Frost King 1 Window Insulation Kit 42" x 62" = 4 Window Kits Total. Insulation film is 1.5 mm thick. For indoor and outdoor use. Includes (1) 62" x 42" x 1.5 mm thick heavy-duty sheet with (1) 5/8" x 216" double-sided roll of tape PER BOX x 4 Kits.