Durable and advanced aluminized dual-sided emergency mylar thermal space blankets, survival blanket,waterproof and windproof ,it r
Durable and advanced aluminized dual-sided emergency mylar thermal space blankets, survival blanket,waterproof and windproof ,it retains up to 90% of your body heat. Perfect for First Aid Kit, bug out bags, go-bags, and home/auto emergency kits.