FFS is the abbreviation of Film, Fill and Seal, a high-speed packing technology that develops firstly in Europe with high efficiency and low cost, thereby becoming the high-tech product in the packing industry. As compared with the plastic bag, the raw materials of FFS bag have an unique mixture ratio, superior and environment-friendly performance, advanced equipment and device, convenient recycling and conformable with the international requirements of green environmental protection. Its high performance and efficiency are getting more and more attention.