This disaster emergency flannel blanket uses premium flannel fabric with special thickening treatment, providing excellent warming performance. With standard size 200×230cm and thickness of 1.2cm, it offers full-body coverage protection. Its thermal efficiency reaches 94%, providing 8 hours of effective warmth even in extreme cold environments of -20°C. Suitable for rescue sites of natural disasters such as earthquakes, snowstorms, and floods, it is essential material for emergency shelters, temporary settlement points, and emergency evacuation centers, providing reliable temperature protection for disaster victims.