A. This emergency blanket is a practical item suitable for outdoor use and emergency situations. It measures 160 cm by 210 cm, which is relatively large and can provide more comprehensive coverage for users. B. In terms of design, it has multiple functions. It can be used as an outdoor life - saving emergency blanket. When you encounter an unexpected situation outdoors, it can help you maintain your body temperature, prevent hypothermia, and buy you more time while waiting for rescue. In the event of disasters such as earthquakes, it is also an important part of the emergency kit and can play an important role at critical moments. C. It can also be used as a first - aid sleeping bag, creating a relatively comfortable and warm resting space for you when resting outdoors. Additionally, it has a moisture - proof function and can be used as a ground mat. Even on a damp outdoor ground, it can allow you to have a dry resting environment. Whether you are going on a wilderness camping trip, a mountain climbing adventure, or dealing with sudden natural disasters, this emergency blanket is a reliable companion that can ensure your safety and comfort. D. It is suitable for regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East. It also has an authorized private brand, and its quality is trustworthy.