Even though they would have likely survived their injuries, people who have just experienced a traumatic injury sometimes die because their body temperatures plunge. Consider making this blanket part of your overall first-aid strategy. The Dynarex Emergency Survival Rescue Blanket is constructed from heat-reflective mylar foil to help insulate the injured and seriously ill in emergency situations. The lightweight, nonbulky rescue blanket is easy to fold for convenient portability when quick response is required. - Heat-reflective mylar foil retains up to 90% of body heat so rescue blanket is highly effective at preventing hypothermia. Crafted from water-resistant materials to keep those in distress warm and dry. Folds easily for compact storage and convenient portability. Thermal material derived from insulation used in space exploration. Individually bagged for optimal hygiene and efficient emergency response. 52 inches wide x 7 feet long.