Emergency blanket£¬ also called sunblock blanket and cold-prevent blanket. Emergency blanket is made of aluminum film or tin foil. Sunblock: wear the blanket to avoid direct sunlight. Retain warm: in cold weather£¬ wrap the emergency blanket can absorb the body warm and reduce heat loss. Reflective: when in wild distress£¬ wrap the emergency blanket£¬ can use its reflective performance to help rescue workers to find the targets. Stretcher: emergency blanket with high toughness£¬ light and soft£¬ can be used as a stretcher. Can hold a 200-pound man. Of course£¬ this is only a temporary measure stretcher for short distance use. Note that when using synchronous operation£¬ otherwise it will easily tear£¬ and hurt the wounded. Other functions: emergency blanket can also be used to repair cars£¬ in order to avoid grease and spread out upon the ground.