A must-have for camping, trail running, marathons, 48hr/72hr/30 day go bags, tactical gear, earthquake survival kits, and travel first aid kits. Effectively provides sufficient warmth by retaining or deflecting heat when in extreme cold or hot situations. With a size of 83"x36" and weight 120g/0.27lb,as folded size 4.4"x4", can be individually folded and sealed for easy storage and retrieval. Made of high quality waterproof polyester fiber, tear proof, windproof and moisture-proof. Ideal for hiking, camping, sports, gardening and outdoor activities. Can be used as an emergency shelter, emergency sleeping bag, backpack cover, rain poncho, emergency signal, solar oven, shade cover, bird repellent, ground cover, wind blocker, trail marker, water collector, snow melt container.