This waterproof relief warming blanket features special waterproof technology, providing 95% warming efficiency even in extreme weather conditions like heavy rain or snow. The quick unfolding design allows rescue personnel to deploy the blanket in just 15 seconds, weighing only 1.2kg with a coverage area of 160×210cm. Field-tested in extreme environments, it provides 6 hours of continuous warmth in temperatures as low as -10°C. Verified in 26 global disaster relief operations, it has become the preferred protective equipment for extreme weather disaster relief.