This portable disaster blanket uses premium polyester cotton blend material, specially designed for emergency supply box standard configuration. With standard size 180×200cm and weight of only 0.8kg, innovative folding technology reduces compressed volume to just Ø10×15cm, allowing standard emergency supply boxes to hold 15 pieces. The blended material achieves 85% thermal efficiency, providing 5 hours of effective warming in 0°C environments. Using quick unfolding design, users can complete unfolding operation in 5 seconds. Durable design extends service life to 1.5 years, economical and practical. It has been adopted as standard configuration in emergency supply boxes across 124 countries worldwide, becoming key material for disaster emergency response.