Our 2400 and 3600 calorie bars are approved by the U.S. Coast Guard as well as the Canadian Transport Department and have a five year shelf life. The new addition to our family is the 400 calorie food ration that is great for the one-day meal.
All our food rations are baked under strict supervision and all have that great taste of apple cinnamon. (Nutrition Facts).
Mayday food rations can be stored outside up to 149 degrees (°F) and can be eaten without preparation.
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– See more at: http://practicalhs.com/product/mayday/#sthash.i6UvPnli.dpuf