FB24M – 2400 Calorie Food Bars 24 bars in a Case. Finally! Food ration that tastes great, and also very nutritious. Our 2400 and 3600 calorie bars are approved by the U.S. Coast Guard as well as the Canadian Transport Department and have a 5 year shelf life. All our food rations are baked under strict supervision and all have that great taste of apple cinnamon. Mayday food rations can be stored outside up to 149 degrees (°F) and can be eaten without preparation Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to : www.P65Warnings.ca.gov