combining oxygen barrier on all surfaces with membrane seal, superlock® containers ensure almost nonexistent oxygen transmission rate, providing ambient shelf life up to 24 months. packs are suitable for both hot and cold filling, can be retorted for product pasteurization or sterilization, and are stackable for storage. low carbon and fully recyclable, reclosable containers are microwave, dishwasher, and freezersafe.  sourcehttpnews.thomasnet.comfullstoryoxygenbarrierpackaginghelpskeepfoodfresh20032486
