ER Emergency Ready 3A Thermal Mylar Blanket Provides compact emergency protection in all weather conditions by reflecting back and retaining 90-Percent of a survival victim's body heat Can be used to prevent and counter hypothermia by reducing heat loss from a person's body Can be used to cover injured victims in order to help reduce shock can be used in a hot environment to provide shade as a shelter barrier Reusable, waterproof and windproof