Features: 1.Ultra Lightweight and Compact BagsSmall enough to fit in the palm of your hand,This survival sleeping bag comes rolled up inside handy nylon stuff drawstring bag sack so you can store it nearly most where. Dimension: 210*90cm; Lightweight at 120g, its easy to carry. 2.Stay Warm and Alive in Exreme ConditionsThe emergency sleeping bag serves as your emergency blanket, survival shelter, and emergency bivy sack all-in-one. Engineered for emergencies and survival, you have the ability to call for help using the 120-decibel survival whistle and the bright color alerts rescuers. This is an essential tool to ensure you stay alive in an emergency. 3.Made for EmergenciesMultipurpose used as a survival emergency bag, poncho, emergency shelter and more.Your survival bag is constructed of mylar material with a tear and puncture resistant coating so it stands up to extreme conditions. They can be used to prevent and counter hypothermia by reducing heat loss from a persons body, to cover injured victims in order to help reduce shock. 4.Outdoor EssentialsEasier than an emergency space blanket, Just pull out of the stuff sack, unroll and climb inside.Emergency sleeping bag can be used as a sleeping bag liner to keep your body temperature. This bivy bag is small and lightweight, easy to carry and store. A must-have tent camping gear when camping, trail running, marathons, tactical gear preparer and travel first aid kit. 5.Emergency sleeping BagsPack of 1pcs emergency sleeping bags, 1pcs whistle. This bag is not a one-time-use bag. After each use, you should carefully fold it in order to use it again. It can be used by itself in an emergency or as liner for you regular sleeping bag. Bright orange exterior is easy to spot, even in bad weather, which helps rescuers to locate you.