Metallic film is a type of film that is coated with a reflective layer of metallic particles, typically aluminum, which produces a shiny, metallic appearance. It is commonly used in a wide range of applications, including packaging, printing, and decoration.One common use of metallic film is in packaging, particularly for products that require a high-end, premium appearance. The reflective surface of the film creates a mirror-like effect that enhances the visual appeal of the product and can help it stand out on store shelves.