... defense against the cold 4.CE,ISO Emergency BlanketEfficacy:To meet an emergency condition, waterproof, windproof, Sun Protective ... or silverUsage:1.Use this kind of blanket to cover the whole body can prevent the body thermo ... weather , this kind of blanket can help driver to prevent the cold and keep warm.3.This first ... the car in the hot sun, you can cover the silver side of this blanket on all the ...