Emergency Food Rations Case of 10-3600 Calorie Bars - 30 Day Supply- Less Sugar and More Nutrients Than Other Leading Brands- (5 Year Shelf Life) 10 bars per case 3600 Calories per ration. Non-thirst provoking. Meets the US Coast Guard standards and made in America Withstands Temperatures of -40 F to 300F (-40C to 149C).