Films that have been co-extruded or assembled using two layers; provided in the form of a reel. The characteristics of the size and functions should be consulted beforehand. A number of barrier alternatives can be provided, ranging from low to high barriers against oxygen, humidity, light and smells, amongst others; it is recommended for dry products, pellets or granules. Printing can be provided for the inside of the external layer for co-extruded film and inside the external layer for the assembly process. The caliber of the film ranges between 100 and 200 microns. It can hold contents ranging from 8 kilograms to 30 kilograms, depending on the density of the product.