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