Sierra's high barrier coated packaging is extra resistant to outside elements! Keeping your dry food product in our specialized packaging will ensure the longest shelf life. <br /> <br />Visit sierracoating.com to learn more about our food-safe coatings: <br />http://www.sierracoating.com/paper-for-dry-food-package.html <br /> <br />Check out our other FDA approved packages here: <br />http://www.sierracoating.com/food-grade-packaging-and-labels.html