With a shelf life of up to 25 years while unopened, the Freeze-Dried Beef Chunks Emergency Food from Augason Farms is a staple in any pantry. USDA-inspected and -approved beef chunks are made from choice cuts, and preparation is simple just rehydrate and use like regular cooked beef. No MSG added. Gluten-free. Up to 25-year shelf life when unopened. Best when stored in a dry environment between 55F and 70F. Per 16-oz. can. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Dehydrated Food.