Mylar pouches are made from several layers of laminated food-grade plastic and aluminum. Food will not react with aluminum because it is separated by a food-grade plastic lining. Mylar bags provide good light, moisture, and oxygen barrier to protect the food inside the bag.
Mylar bags resistance to moisture, insect attack, fungus, mold, mildew, acid, oils, grease, and solvents is excellent. Mylar is the Infinity gauntlet of storage bags.
Mylar bags are universally considered to be the best material to store food, and precious things.
