Protect all of your valuable objects wherever you go with the aLOKSAK Element Proof Dry Bags. These resealable bags feature a hermetic seal that ensures that no water, air, dust or humidity can permeate the bag. The aLOKSAK Element Proof Dry Bags come in multiple sizes and are puncture resistant. In addition, these element-proof bags are certified waterproof to 60 meters / 200 feet and are U.S. Navy Approved!