Films assembled using two or three layers, in the form of a reel, the characteristics of its size and functions should be consulted beforehand. A variety of barriers can be provided ranging from low to high, against oxygen, humidity, light and smells, amongst others. This film is recommended for dry products, pellets, granules or pasty products (high viscosity) or liquids. Printing can be provided on the inside of the external layer. The caliber of the film ranges between 55 and 100 microns. It can contain products that weigh under 10 grams up to almost 200 grams, depending on the density of the product.