1. Waterproof;
2. Prevent hypothermia reactions;
3. The reflected light on the surface can make the target obvious and facilitate rescue;
4. Effectively reflect sunlight and heat in hot climates and maintain the body's temperature;
5. Space material design can maintain 90% of human body temperature;
6. Emergency auxiliary materials after an accident (vehicles are always ready for emergency: they can be laid on the ground during maintenance to prevent pollution and waterproofing);
7. It can be used as a moisture-proof mat when camping or picnic, and it can be used as a raincoat when it rains.