I have tried space blankets both the silver and I prefer the orange colored reflective one of the two. But now I use this for emergency shelter

http://online.boundtree.com/store/product_index.asp?Cat=&SubCat=&Prod=660100

the hartwell medical isothermal blanket effectively maintains a patient¹s core body temperature by reflecting the patient¹s radiated body heat. impervious to rain and snow, durable enough to carry a person, the isothermal emergency blanket is lightweight and can be cleaned and reused if so desired (unfolded 80 x 55)

{Link Above}


See what you think!