- Material: 100% Polyester; Imported - Emergency Mylar Thermal Sleeping Bag Blanket: Crafted with advanced heat-reflective technology, this durable sleeping bag retains up to 90% of your body heat, effectively preventing hypothermia and shock in critical situations. - Versatile Survival Bivvy: Waterproof, moisture-proof, and UV-resistant, this thermal sleeping bag is designed for extreme weather conditions. Ideal for outdoor activities such as hiking, camping, backpacking, and mountaineering. It can also serve as ground covering, sleeping bag liner, emergency poncho, or camping tarp to shield against wind, rain, cold, heat, dirt, and dust. - Full Body Protection: Measuring 84 inches x 36 inches (210 cm x 90 cm) and weighing only 3.9 oz, this sleeping bag ensures complete coverage for warmth and safety in harsh environments. Its lightweight design makes it easy to carry and store in backpacks, first aid kits, camping gear, or even pockets. Each bag is individually folded and sealed for excellent waterproof, windproof, and light-blocking capabilities. - Emergency Survival Kit: This high-quality thermal sleeping bag comes with a 120-decibel emergency whistle, capable of alerting rescuers up to a mile away through wind and trees. It is an essential tool for anyone looking to prepare for emergencies, making it a thoughtful gift for family, friends, or colleagues.