The Heavy Duty Emergency Blanket is an ultra-versatile, all-purpose emergency shelter designed for use in the harshest terrain and conditions. Weighing in at only 7.9 oz, this 5' x 8' shelter packs down to a pocket sized package yet can withstand almost any abuse you can throw at it. Wind & waterproof and 90% heat reflective, the Heavy Duty Emergency Blanket will keep you warm and dry and is tough enough to survive multiple adventures.