1.Ease of use: Easier 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 your body temperature. This bivy bag is small and , easy to carry and store. 2.Durability: Emergency bivvy survival sleeping bag kit is constructed of 26um extra-thick mylar material, waterproof and reusable. It can be folded up and placed back inside the waterproof Nylon stuff sack for your next adventure. A must-have tent camping gear when Camping, Hiking and Outdoor. 3.Keep Body Temperature: emergency bags are made from reflective polyester film that can increase your body temperature to 20 degrees in cold and harsh weather conditions. It is a must for bad weather and outdoor adventures such as wind, heavy rain and heavy snow. 4.Made for Emergencies: Multipurpose used as a survival emergency blanket, poncho, emergency shelter and more, Suitable for your bug out bag. The bright orange color of the outer shell of this sleeping bag is essential to help rescuers find you. Colour: Yellow Material: Plastic + Nylon Package Contents: 2 x Tent 2 x Storage Bag 2 x Whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.