Survival Sleeping Bag, Emergency Bivvy Sack PE Aluminum Film Emergency Blanket Bushcraft for Outdoor Camping and Hiking Product Heat Retention: Bivvy emergency sacks provide heat retention and thermal insulation in survival situations. Lined with heat reflective material similar to emergency blankets, this is an essential part of any survival or camping kit and will keep you warm in a pinch Essential Survival Equipment: An essential part of any survival kit. Hypothermia is the number one danger in any survival situation. The Emergency Bivvy Sack is small and easy to throw into any bag and can save your life in an emergency. Throw it in the glove compartment of your car or backpack. Compact Size: The emergency blanket folds up into a small, it can be stored almost anywhere, giving you plenty of space in your gear for other equipment. The bag expands to a comfortable 91cm x 200cm. Use for Signal Rescue: Bright orange exterior can be used as a signaling device. Easy to see due to the color contrast with nature, Emergency Bivvy Sack can be used to call for help in your emergency. Remember, the ultimate goal of any survival situation is to get home safely. Multifunction: emergency blanket, sleeping bag, picnic blanket, an essential package for climbers, mountaineers and hikers. Package includes: 4* Survival Sleeping Bag