Grizzly Gear Emergency Survival Mylar Thermal Reflective Cold Weather Shelter Tube Tent - XL Size Fits 2 Adults - 8' X 3' Emergency Thermal Tent- wind-resistant and watertight shelter barriers that provide protection in all weather conditions Survival Tube Tent- Heat retaining thermal barrier that helps prevent hypothermia/shock and promotes survival in emergency situations Mylar Tent made from durable, insulating mylar material designed by NASA for space exploration-- retains 90% of body heat Lightweight, versatile and easy to set up (perfect for camping, hiking and backpacking)-- functions as an emergency thermal shelter, emergency sleeping bag, water collector, signaling device and more! XL size accommodates 2 adults-- 8' x 3'