The Ready-Heat™ Disposable Medical/Emergency Heated Blanket has been manufactured using synthetic non-woven fibers. This potentially life saving blanket comes individually sealed in an oxygen free protective poly-bag. When the Poly-bag is opened, the contents of the sealed in heating elements react with the oxygen in the atmosphere and generate heat up to 100°F in 10 minutes and lasts for up to 8 hours. The heat that will be generated will provide sufficient warmth and comfort to the user for several hours. All Ready-Heat™ blankets are water repellent and provide UV protection Aids in the prevention of Hypothermia in trauma patients Ready-Heat™ offers a convenient, ready to use blanket that remains warm to 104° Fahrenheit (40° C) for approximately 6-8 hours Warms to 104ºF within 15-20 minutes once opened Suitable as an evacuation litter Maintains temperature for up to 8 hours Designed to carry a person up to 113kg Dimensions: 91.4 x 121.9cmNATO Stock No: 6532-01-525-4062 Ready-Heat Blanket System (4 Panel)