Useo.S. Rations emergency 3600 calorie food bar - 3 day/72 hour package with 5 year shelf life net wt. 1.60lbs (756G) 15, 075 kj. 3600 kcal per package. High energy value. Ready to eat. Perfect for anyone in the process of building a disaster/emergency Kit. The SOS emergency food rations are us Coast guard approved and has a shelf life of 5 years from the date of manufacture. Content: each package contains 9 delicious bars providing 410 calories per bar Totaling over 3600 calories per package. Non-thirst provoking formula offers maximum survival capacity with drinking water restriction under all environmental conditions. Directions: eat three food bars per person per day