Heat Retention:Emergency Bivvy Bags effectively keep 90% heat for you, provide heat retention and thermal insulation in survival situations. Lined with special heat reflecting material similar to emergency blankets but more durable, this is an essential component of any survival or camping kit and will keep you warm in a pinch Essential Survival Gear:An essential part of any Survival kit. Hypothermia is first and foremost the most serious danger in any survival situation. Small and light enough to be thrown in any bag, the Emergency Bivvy Bag may save your life in an emergency survival scenario. Throw it in the glove compartment of your car or backpack. Multi-purpose and Compact:Emergency Blanket can be folded into a tiny pouch, it can be stored almost anywhere, leaving you much needed space in your kit for other gear. The bag extends to a comfortable 91cm x 213cm, can be used as emergency blanket, sleeping bag, picnic blanket, an essential pack item for climbers, mountaineers and walkers. Improve Your Odds of Survival:Bright Orange exterior can be used as a signalling device. Easily spotted due to the colour contrast against nature, the Emergency Bivvy Bag can be used to call for help in your hour of need. Indispensable for outdoor activities, wild adventures, expeditions, tourism, and more; helpful in all outdoor emergency situations.