Stand-up pouches are a relatively new form of packaging that has advantages in terms of product upgrades, enhanced shelf visuals, portability, ease of use, freshness and sealability. The stand-up pouch is laminated with PET/foil/PET/PE structure. It can also be made of 2 layers, 3 layers and other specifications. Depending on the product, the oxygen barrier can be added as needed to reduce the oxygen permeability. To extend the shelf life of the product