This warm and protective emergency survival blanket is made of high-quality aluminum foil, which can maintain body temperature and prevent hypothermia. Use it inside a sleeping bag to stay warm when camping on weekends. You can also apply it to your body for sun protection. Lightweight and portable, the package includes four outdoor survival blankets, each measuring 210 x 160 cm and weighing 58 grams. Each blanket is individually packaged for easy storage in your car, first aid kit, camping backpack, and more. For emergencies, this thermal emergency blanket can retain up to 90% of body temperature to prevent hypothermia in situations such as deserts, floods, hurricanes, and more. In an emergency, the rescue blanket can also reflect light to attract help. This versatile rescue blanket is perfect for hiking, mountaineering, marathons, skiing, camping, first aid, and as part of a first aid kit. It can be used repeatedly in everyday life, is waterproof and windproof, and can also be used as ground cover and sun protection. Excellent service: If you have any questions about purchasing our gold/silver camping survival blanket, please contact us at [email address/phone number].