The same as the other types of flexible packaging, the stand up pouches material structure. As per the different usage and barrier characteristic, it can be divided into many kinds of material structure. Here we only introduce some common used stand up pouch structure for your reference, not explain theirs specific functions.

Please note that as the stand up pouches with zipper is not suitable for the liquid or semi-liquid packaging, so the material structure of doypack with zipper is less than the one of stand up pouch without zipper.