This emergency survival blanket is made of high-quality polyester fiber, which is soft, lightweight, and durable. It has a reflective coating on one side, which can reflect 90% of the body heat, effectively keeping you warm in cold environments. The blanket is also waterproof and windproof, making it ideal for outdoor activities such as hiking, camping, and emergency situations. It is easy to carry and can be folded into a small size, taking up very little space in your backpack or pocket. The blanket is also a great choice for outdoor winterization, as it can keep you warm and comfortable in freezing temperatures. It is a must-have item for outdoor enthusiasts, emergency responders, and anyone who needs a reliable and durable survival blanket.