Datrex Aviation Food rations are ideal for storing in a bug out bag for emergency situations. Always be equipped with a 1000 calories of high energy/ready to eat food that has a shelf life of 5 years. Compact to store in a bug out bag or in your car so you are always prepared. The calorie bars are free of peanuts and GMOs. Each food ration is baked and packaged in the USA at FDA certified facilities.