• Beyond odor, the OPSAK bags are also 100% water-, air-, sand-, snow-, dust- and humidity-proof
•  Made with a patented, high-tenacity polymer, the bags are flexible and shatterproof
•  Use to store food, rehydrate freeze-dried meals or stow your toiletries
•  Feature a double hermetic zipper closure system that's as easy to use as a typical zip-closure type bag, but provides watertight protection
•  Bags meet FDA and USDA specifications for food contact and can even hold boiling water or be used as food freezer bags
•  Bags can also be used to safely transport human waste
•  Transparent material lets you easily view contents
•  Package includes two 12 x 20 in. bags; each bag weighs less than an ounce
•  Waterproof to 200 ft.