Water is the single most important item to have in your emergency kit. SOS water pouches have 4.227 ounces of purified drinking water and a 5 year shelf life. The individual pouches provide a single serving making it easy to ration water to many people during an emergency. This product is made in the U.S.A. and is U.S. Coast Guard and Transport Canada approved.Pack of 48 pouches comes in two zip plastic bags. (total 202.89 oz)