Finally! Not only a food ration that tastes perfect, it is also very nutritious. Our 1200, 2400 and 3600 calorie bars are approved by the USA Coast Guard and Canadia Transport Department. Bars have a five year shelf life (experation). All our food rations are baked under strict supervision and all have awesome taste of apple cinnamon. Mayday food rations can be stored outside with temperature up to 149 degrees (°F).