1.The surface of the insulation blanket is protected by sun protection coating, which can reflect back the light source, thus achieving the sun protection effect. 2.When cold in the wild, you can wrap the blanket around the body to absorb the temperature, keeping 80% of the body temperature not distributed. 3.The insulation blanket is strong, light, soft and flexible. It can be used as a stretcher. 4.When you get in troubles in the wild, wrap the blanket around your body and use its reflective function to help rescue workers find their targets. 5.Small Package easily store in Car Trunk.