1.nylon 2.Imported 3.Heat Retention: Emergency Bivy Bags provide heat retention and thermal insulation in survival situations. Lined with special heat reflecting material similar to emergency blankets. The most vital function of this space blanket is reducing your body heat loss and preventing hypothermia even saving your life in emergencies. This is an essential component of any survival or camping kit and will keep you warm in a pinch! 4.Keep you dry and warm: Just pull out the bivy sack, unroll and climb inside the bag. Sweating within a minute. An emergency blanket keep your mobility in emergency situations while keep you warm and dry. The material retains 90% of your body heat, and blanket does a better job of protecting you while you are on the go. 5.Signalling Rescue: Bright Orange exterior can be used as a signalling device. Easily spotted due to the colour contrast against nature, the Emergency Bivy Bag can be used to call for help in your hour of need. Remember, the ultimate goal of any survival situation is to get back home ly! 6.Super & : Emergency Blanket folds into a tiny, it can be stored almost anywhere, leaving you much needed space in your kit for other gear. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.