Emergency Rescue Blanket Reflective design and allweather practicality: The outer aluminum surface can reflect ultraviolet rays, providing a compact, versatile tool for emergency rescue and outdoor use. Multifunctional use: Not only for emergencies, but also usable as a sleeping bag to help resist cold at night. Emergency sleeping bag and shelter: The bivy sack is made from ultrathick polyester film material, and is durable, waterproof, and windproof, making it suitable for warmth and allweather protection in emergency situations. material and heat retention: Built with durable insulating polyester film and an outer reflective layer, it can effectively retain up to 90% of body heat. Compact and versatile: Designed for easy storage and quick deployment, suitable for a wide range of outdoor activities and emergencies. Practical use scenarios Backcountry camping or hiking: Carry as part of a lightweight emergency kit to stay warm during sudden temperature drops or unexpected overnight stays. Vehicle break down or roadside emergency: Keep in the glove box or trunk to provide warming shelter during cold nights or long waits. Outdoor events or expeditions: Use as a quick shelter or sleeping layer in adverse weather, or as an emergency warmth source when conditions change rapidly.