This article will provide you the information about how to survive in the harsh condition with the three day survival backpack with the list of necessities that is important to survive. List includes thermo stabilized, laminated food pouches that is developed by NASA. It contains twenty-five different meals option that include four vegetarian ones and these meals are very tasty. These meals are rich in calories as each meal provides about 1200 calories. Some meals are known as emergency ration food bars because these meals provide about 3600 calories three times than others.

Emergency ration food bar is the perfect mixing of nutrient and calories provided to the disaster victim that help him to survive for three days. Tube tent is the most versatile form of emergency shelters used in harsh or disastrous conditions. They look like the huge sheet of aluminum foil. They are used in NASA for different purposes as they are made up of metal zed plastic films like Mylar film. Mylar film is used because it reflects or conserves large amount of heat. Mylar can be cut easily as it is thin enough and making it ideal to for turning into hats, bandanas and other emergency clothing needs.

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