Blizzard Ifak by SafeGuard Medical:
 
Lightweight and compact for shock and hypothermia prevention. Manufactured with the innovative Reflexcell technology. The exterior of the Blizzard IFAK blanket is light green to help maintain a lower visual profile. Perfect size for your individual first aid kit (IFAK).
 
Features:
Windproof and waterproof blanket using Reflexcell technology for insulation and protection.
The metallized inner layer reflects body heat back to the user.
Vacuum-sealed in a compact form for easy transport or storage.
Approximate packed dimensions: 17 x 11 x 2.5 cm.
Weighs only 140 g.