[PRODUCT UPGRADE: Shelf life up to 20 years VALUE PACKAGING: Each box contains 20 bags 920 calories to pre-measured energy rods. 200g/bag total energy 18400 caloriescan last for up to 15 days for 1 person. EASY TO CARRY: 20 bags of independent tin foil packaging small and easy to carry can be stored in your clothes pocket.Open the bag you can eat it quickly when you hiking rock climbing skiing or long-distance riding，you can choose emergency food bars to provide energy. NUTRITION AND HEALTH: Emergency survival rods are made of high-quality flour sugar oil and other raw materials which can be carefully made allowing you to maintain an active body state before high-intensity activities. "SHELF LIFE IS LONG: Emergency food supply by vacuum packaging dont add preservatives 20 year shelf life if you put it in cool and dry place even if you are stored for a long time you can maintain fresh and crispy tastes providing you with nutrition and vitality." WIDELY USED: You can eat survival ration bars when encountering emergencysuch as disasters military combat earthquake food hurricane camping boating or more indoor and outdoor activities during emergency tornado camping boating or more indoor and outdoor activities. This will be a good emergency reserve.]