Amazon.com: Emergency Blanket or Space Blanket - Ideal as Survival Thermal Protection - Very Light Double Sided Sheet of Mylar Foil - Best for Bug Out Bag, EDC, First Aid Kit, Hiking,
Amazon.com: Emergency Silver Mylar Thermal Compact Waterproof Blankets for First Aid Kits, Natural Disasters Equipment, Retain Body Heat, Keeps You Warm (Pack of 10) : Sports & Outdoors