Patented hygroscopic aluminum foil technology is a milestone flexible packaging solution, the core of which is the inner hygroscopic PE product technology, a series of products and their supporting equipment and processes. MOISORBAL product can quickly and efficiently to the inner packing within the moisture absorbed moisture inside and penetration into the product, product packaging and existing aluminum foil packing scheme is consistent, simple to use, packaging for an additional production equipment after the subsequent processing craft, stable packing in extreme conditions, keep the content is not affected by moisture, several long-term stability and safety, and the overall cost is lower than other schemes.