Nanofilms have the virtue of keeping unwanted materials or contaminants out of food, as well as improving the protection of food sealed inside the package. Nanocoated films are usually composed of layers of polymers that are designed as barriers to flavour, water, and/or gas. Studies have shown that layers of nanoparticles imbedded within a single polymeric film (nanocomposites) improve upon a previous layer polymeric film’s barrier and protection properties