EMERGENCY USE –– The 72 HRS emergency thermal blankets are perfect to throw into civilian bug out bags, go-bags, and home/auto emergency kits. 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. This space blanket is perfect for emergency situations where warmth or protection from inclement weather conditions is required..PROTECTTION –– Our solar rescue blankets help to prevent hypothermia and shock by retaining/reflecting up to 90% of a user's body heat. It effectively provides sufficient warmth by retaining or deflecting heat when in emergency extreme cold or hot situations..LIGHT WEIGHT & COMPACT –– With a size of 55" x 88" and designed by NASA, our 100% mylar space blankets are individually folded, wrapped, and sealed for easy storage and retrieval. These heavy duty survival blankets are reusable, waterproof, windproof and moisture-proof which can also be used for both ground cover and shade..DURABLE & REUSABLE –– These durable and advanced aluminium dual-sided reflective thermal blankets meets the United States Military Standard and are excellent for conserving body heat in emergency survival situations. This is a long-lasting product made of high-quality material that will consistently serve you in your adventures ahead. Silica gel included allowing for longer term storage of these foil tarps..MULTIPURPOSE –– Ideal for hiking, camping, sports, gardening and outdoor activities. The survival blankets can be used not only as an emergency shelter, emergency sleeping bag, emergency bivy use, but also as tent footprint, backpack cover, rain poncho, emergency signal, solar oven, shade cover, fishing lure, bird repellent, ground cover, bivouac sack, wind blocker, arm sling, tourniquet, bivvy, trail marker, water collector, snow melt container.