Pack of 6 - Food Bars, 2400 Calories. Each bar is 1.125 lb. Finally! Not only a food ration that tastes great, but is also very nutritious. Our 2400 and 3600 calorie bars are approved by the US Coast Guard as well as the Canadian Transport Department and have a 5 year shelf life. All food bars have that great taste of apple cinnamon. Food rations can be stored outside up to 149 degrees (f) and can be eaten without preparation.