Not just a food ration that tastes good, but it is also very nutritious product. Our 1200, 2400 and 3600 calorie bars are approved by the USA Coast Guard and the Canadian Transport Department. Bars have more than five year shelf life. All our food rations are baked under supervision and they have that great taste of apple cinnamon. Mayday food rations can be stored outside when it up to 149 degrees (°F) temperature and can be eaten without any preparation.