Local emergency blanket is mainly used in the cold, the purpose is to prevent the body temperature too low temperature may cause death, when winter goes out, once the weather and temperature is not enough when sleeping, one can get the emergency blankets in the tent. Another way is to use first aid blankets, including sleeping bags, to make you sleep comfortably. In summer, if accidentally fell into the water, or storm, when wet, emergency blanket benefits are even completely soaked in the water, as long as the time to open the water shake off, did not affect the thermal effect. When it rains, can also be used to build an emergency temporary tent, or temporary poncho to use. And, whether it's winter or summer, when there's no equipment and you need to spend the night in the mountains, the first aid blanket is your sleeping bag. Can provide more protection for life.
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