This field rescue warming blanket uses a balanced blend of 50% polyester fiber and 50% cotton, specially designed for emergency rescue teams. Measuring 185×205cm, innovative vacuum compression technology reduces individual volume by 80%, allowing standard rescue backpacks to carry 8 pieces. It features excellent thermal performance with 95% warming efficiency, providing effective protection in environments as cold as -25°C. Enhanced warming design gives it excellent thermal reflection performance, making it ideal for on-site rescue after earthquakes, floods and other disasters, wilderness search and rescue operations, and high-altitude rescue stations, becoming essential equipment for professional rescue teams.