Rothco Lightweight Survival BlanketRothco's Lightweight Survival Blanket is a perfect survival item and is great to keep in your daypack, backpack, bug out bag or car. The survival blanket will reflect 90% of body heat to keep you warm during an emergency situation. Rothco is your source for military and outdoor survival gear. The survival blanket will reflect 90% of body heat to keep you warm during an emergency situation. Rothco is your source for military and outdoor survival gear. WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects and other reproductive harm.