Mainstay Emergency Survival Food Rations 2400-cal Case of 12 Packets 24 Day Food Supply Emergency Survival Food Rations 2400-Cal Case of 12 packets Ready to Eat, 24 day food supply, 5 year shelf life Withstands Temperatures of -40 F to 300F Non-Thirst Provoking, No colesterol or tropican oils U.S. Coast Guard approved, meets the stringent guidelines set by the Department of Defense (SOLAS 74/83)