Here's what other sites are saying:
This is the original emergency blanket, made of materials first developed for NASA.
The Emergency Space Blanket from Grabber is something you always want to have on hand. This warm but light blanket will aid in keeping your warm when you need it, and it's compact enough to be thrown into a small pocket. PRODUCT FEATURES: Windproof, waterproof and flexible to -60 The blanket reflects back 80% of body heat utilizing super insulation proven in space missions Opens to a full 56"x 84" size Weight: 1.5 oz
- Appalachian Outdoors
It can be used alone, inside or outside of sleeping bags in survival situations. The full size 36" x 84" bag of original Emergency Blanket material with taped seams and collar retains in excess of 90% of radiated body heat while weighing only 3 oz., folding size is less than 4" x 3" x 2".
- Vargo Outdoors
SOL Emergency Blanket - More compact, lightweight design features a quieter, more durable polyetheline material. Reflects 90% of your body heat. Fits one person.
- Massey's Outfitters
Space Emergency Blanket This 2 oz. blanket could be the most inexpensive life insurance anyone could buy. Reflects and retains over 80% of radiated body heat for warmth and protection in a cold snap or crisis situation. Can be used as a radar reflector, emergency shelter or thermal ground cover.