A safe, reliable source of calories and nutrients, UST’s Emergency Food Ration Bars are perfect for keeping in your backpack, survival kit, or shelter-in-place kit. They have a 5-year shelf life and provide 2400 calories per bar, which can also be broken up into six 400-calorie portions. Each bar weighs 18 ounces. An excellent source of energy for emergencies, natural disasters, extreme weather, and more, the bars have a pleasant apple-cinnamon flavor and a unique non-thirst-provoking formula.