Stay safe and warm in any emergency with the Grizzly Gear Emergency Thermal Sleeping Bags (2 Pack). Crafted from weatherproof mylar, these 7 ft x 3 ft survival bivouacs are designed to retain body heat and protect against harsh conditions like wind, rain, and cold. The reflective material doubles as a signaling device for rescue situations, adding a crucial safety feature to your survival gear. Compact and lightweight, these thermal bags are easy to store and carry, making them essential for disaster preparedness, outdoor adventures, or emergency kits. Be ready for the unexpected with reliable, portable protection.