Ready-HeatTM II is designed more 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 6 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. Heats to 100°F/37.8°C in 5-10 minutes 5 year shelf life 34" x 24" Weight: 1 lb. Individually wrapped in a translucent polybag Contains 6 self-warming panels Ready-Heat II Blanket System (6 Panel - Torso)