Have safe drinking water available in transportable pouches anytime with Datrex Water Pouches. Water storage is arguably the most vital element of any emergency plan. The human b Purified water for immediate use. Superior packaging materials for optimum durability. Lightweight and extremely compact. USCG (United States Coast Guard), Canadian Coast Guard, EC and NZ approved. ody can live several days without food, but only a few days without water. Simply slip them into your emergency kit, back of your car, with your camping and outdoor gear or purchase in cases to have with your emergency food storage. Easy to rotate and ready to use. Each pouch contains 4.227 oz. (125 ml) of refreshing drinking water. Drink right from the easy-to-open pouch. Also doubles as an ice pack for first aid.