Thermal survival blanket made from reflective aluminum foil combined with high-strength polyester fiber. Designed to maintain body temperature in extreme conditions while staying lightweight, compact, and durable. Key benefits Keeps you warm: Reflective aluminum foil and insulating polyester fiber trap and reflect body heat to slow heat loss in cold environments. Protects from moisture and wind: A special waterproof coating on the blanket cover prevents moisture ingress and blocks wind to keep the interior dry and warm. Built to last: Wear-resistant fabrics provide excellent tear and abrasion resistance, resisting damage from rocks, branches, and repeated use. Easy to carry: Packs down to a small volume and is lightweight so it fits easily into a backpack, emergency kit, or vehicle storage without adding bulk. What makes it stand out Combined-material thermal design: Reflective foil for heat retention plus high-strength polyester fiber for comfort and insulation. Full weather protection: Waterproof and windproof outer coating plus durable inner layers deliver reliable performance in damp, windy, or cold conditions. Practical durability: Robust construction and abrasion resistance for repeated outdoor use and rugged environments. Function, compatibility, and performance Function: Provides emergency warmth, windproof shelter, and moisture protection for one person when used as a blanket or emergency bivvy. Compatibility: Compact form factor fits with standard hiking, camping and first-aid gear — ideal for inclusion in backpacks, survival bags, vehicle emergency kits, and group safety packs. Performance: Maintains core insulation under severe weather, resists tears and abrasion during extended field use, and keeps the interior dry in damp conditions. Use scenarios Hiking or backpacking: Carry in your pack as a lightweight, compact emergency blanket to retain heat after unexpected weather changes or overnight stops. Vehicle emergency kit: Store in your car for roadside breakdowns or cold-weather delays to stay warm and protected from wind and moisture. Camping and long-distance trips: Use as a secondary sleeping-layer, emergency bivvy, or protective cover when conditions become wet, windy, or colder than expected. Materials and care Materials: Reflective aluminum foil + high-strength polyester fiber; outer cover treated with a waterproof coating; wear-resistant fabric construction. Care: Air dry if wet and store folded in a dry place. Inspect for damage after heavy use; repair small tears to maintain waterproofing and insulation. Reliable, practical protection for outdoor and emergency use without adding extra weight to your load.