Ready-Heat™ II is designed specifically as a first responder blanket to treat shock and hypothermia. It warms to a minimum 100°F/37.8°C in 10 minutes and will maintain that minimum heat for 8 hours. The blanket has a foam core and is lightweight and comfortable. This comfortable warming blanket is also finding many other medical, EMS and other applications where warmth is required.
Features 
Heats to 100°F / 37.8°C in 8-10 minutes
5 year shelf life
Individually wrapped in a translucent poly bag
Each blanket contains 12 self-warming panels
Civilian First Responder Blanket
Dimensions: 34" H x 48" W (open)
Dimensions: 15" H x 12.5" W (packaged)
Weight: 1 lbs 8 oz