greek coffee zipper standup pouch with valve aluminum foil pouch

Stand-up pouch is a type of flexible packaging which is able to stand erect on its bottom for display, storage, and use. It is a type of plastic bag but sometimes also has plastic bottle characteristics. with a zipper lock on the top，it is convenient to use-- just open and seal, very easy to use for packing and storing, and please make sure to close the zipper seal tight to prevent leakage and ensure freshness. Add a one-way air valve automatically discharges carbon dioxide released from coffee beans，effectively extending the life and aroma