Abstract: Proposed for a square flat gable composite packing are a resealable spout element (1) and the manufacture of a flat gable composite packing with such a spout element (1) that eliminate the disadvantage of known spout elements, namely that such packings can no longer be opened once the sealed-on opening aids for initially opening the packing lose their non-positive bond with the packing during transport or as the result of inadequate proposed, with a cap (2), in which an opening element (4) sealing. A resealable spout element (1) is attached to the packing interior can be bonded with the cap (2) to form an undetachable unit by means of a connecting element (5) that penetrates an opening surface present in the packing.