Thermal blankets were actually created by nasal in the year 1964 for a space program and are also called emergency blankets, space blankets or Mylar blankets. They are made of a very thin plastic sheet with a metallic coating mainly used for reflecting the heat back. Today thermal blankets are used for camping as well.
When thermal blankets are wrapped around the body the body heat is reflected make the user stay warm even during heavy storms. They are made out of very durable materials that neither wind not water can permeate through them.
Thermal blankets can be reused many times that travelers need not buy blankets for each of their night stays outdoors. They can also be packed in a very compact manner as they are designed like that.
Thermal blankets are available with different features and sizes that the buyers should select the one that provides them maximum protection, use and satisfies the requirements. There are thermal blankets meant for double and single use and can be bought according to the needs of the user.