★BEST QUALITY★--Durable and advanced aluminized dual-sided emergency mylar thermal space blankets, survival blanket,waterproof and windproof ,Thickness: 30 μm,it retains up to 90% of your body heat. Perfect for First Aid Kit, bug out bags, go-bags, and home/auto emergency kits. | ★4-PACK EMERGENCY BLANKETS★--The Emergency Blankets Survival kit comes in packs of 4, and each survival blanket is individually folded, wrapped, and sealed for easy storage and retrieval. They are reusable, providing you with multiple of warmth when necessary | ★UPGRADED DESIGN★--Our Survival Blanket size: 82"x52'', Thickness: 30 μm, It's double as thick as a normal thermal blanket, It is larger, thicker, and stronger than most emergency blankets，Can cover the body better and conserving body heat | ★LIGHTWEIGHT & EASY TO CARRY★--Individual package size: 6" x 4", weighs about 2 ounces . Each emergency blanket is easy to carry with you wherever you go. you can put it in your backpack and pocket easily without stress. Our thermal blankets are a must-have for camping, trail running, marathons, 48hr/72hr/30 day go bags, tactical gear preppers, earthquake survival kits, and travel first aid kits. | ★MULTIPURPOSE★-- Perfectfor emergency situations where warmth or protection from inclement weather conditions is required. Helps prevent hypothermia and shock by retaining up to 90% of a user's body heat. The Emergency can also be used as a bivouac sack, backpack cover, rain poncho, emergency signal, shade cover, dust shield, arm sling, sleeping bag liner, wind blocker, water collector, trail marker······