These things are great.

Verified Buyer Reviewed by Dingle from Cincinnati, Oh on Saturday, March 3, 2012
I was trying to take a nap in my somewhat drafty apartment when I got cold and annoyed with my heavy cotton blanket. So I threw it off and decided to try one of my new emergency blankets out just to see how it would do. Aside from being impressively loud, it also kept my body heat in much better than the thick cotton blanket. So in a minute or two I was pretty comfortable and actually fell asleep. One negative might be that it also retains moisture pretty well because my body vapor had built up noticeably after about 30 mins. For the price and for the purpose, solid.
  • Best Uses: Emergency Preparedness, Keep In The Trunk, Outdoor Activities
  • Describe Yourself: Adventurer, CPR Trained, Novice First Aid Skills
  • Primary use: Personal
  • Pros: Effective
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