Sleeping Bag: Get an emergency outdoor sleeping bag. Material: Made of extra-thick mylar material with a tear resistant coating that reflects 90% of your body's warmth back to you. Multi-Use: This bag serves as an emergency blanket, survival shelter, and bivy sack all-in-one. Reusable: The bag can be easily packed away for a another day. Emergency Outdoor Sleeping Bag | Living Social | Living Social