The same as the other types of flexible packaging,the gusset pouch structure are constituted by different material.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 gusset bag materials structure for your reference,not expalin theirs specific functions.

Please note that as the flat bottom pouch bags is not suitable for the liquid or semi-liquid packaging,so its material structure is fewer than the one of bag with side gusset.

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