MPI Space Brand Emergency Bag EMERGENCY USE - Designed To Reflects & Retain Over 80% Of Radiated Body Heat, Helps Prevent Shock, Restores Breathing, Stops Bleeding, Waterproof, Windproof, Radar Reflexive, Moisture Resistant, Ground Cover, Shelter From Elements, Reflective Emergency Signal, and Reflects Heat. LIGHTWEIGHT & DURABLE - Utilizes A Four-Layer Construction Of Super Insulating Materials. Utilizes The Same Materials That Were Developed By NASA For The Apollo Space Missions, Weighs approximately 3 ounces, Reusable, Lightweight, Durable, Easy To Clean, Strong, Flexible And Grommeted. PORTABLE & COMPACT - Stows Easily In Your Backpack, Boat, Car, First Aid Kit, Go-Bag, Camping Gear, or Emergency Kit At Home Or At Work. QUAILTY - To ensure you receive genuine SPACE products when shopping online, please only purchase from authorized distributors or retailers or an Amazon listing that clearly states the product is sold and shipped directly by Amazon. com. WHEN TO USE: Camping, Hiking, Backpacking, Climbing, Biking, Traveling Outdoors Or In The Wilderness.