Features: 1. When used in low-temperature environment, it can keep 90% of its heat from radiating 2. Can be used as a picnic mat 3. Professional first aid color orange, which is easier for rescuers to find, and is a wilderness survival equipment tool. Adding a layer of emergency blankets in the sleeping bag can improve the thermal insulation capacity, which is very beneficial to ensure the sleeping temperature. 4. Emergency cold-proof sleeping bag, can be used as a sleeping bag when resting, isolating the outside cold air and achieving the effect of keeping warm 5. The sleeping bag is palm-sized, sleeping bag-style design, ultra-thin, easy to collect and carry 6. In outdoor environments, this product is an internationally universal emergency life-saving equipment, suitable for outdoor exploration, inspection, tourism, and disasters. Easy to carry, compact, beautiful and practical Specification: Material: PE Weight: 120g Folded size:: 4" x 2.5" Extended size: 84" x 36" Weight: 4.2 ounces Thickness: 26UM micron aluminum film (thickened) Package Includes: 1/2/3/5 Pcs * Sierra Madre Emergency Sleeping Bag Note: 1. Please Allow 1-5g/1-2cm Differences Due to Manual Measurement 2. Due to Different Monitors and Lighting, The Pictures May Not Reflect the Actual Color of the Item. Thank You for Your Understanding 【Durable Construction】Made of rugged polyethylene, this tear and puncture-resistant material ensures long-lasting usage. The emergency sleeping bag is completely windproof and breathable, making it the perfect survival gear for any adventure or emergency situation 【100% Windproof and Waterproof】This emergency sleeping bag will keep you warm and toasty in freezing cold temperatures and dry as a bone in wet conditions. It can effectively replace both fire and shelter in any survival situation, providing reliable protection from the elements 【Ultra Lightweight and Compac】tThe thermal sleeping bag is stored in a small 4-inch by 2.5-inch bag and weighs only 4.2 ounces, making it smaller than a soda can. Its lightweight and compact design make it easy to carry without adding extra weight or taking up valuable space in your backpack 【Expands to Fit Anyone】Despite its compact size, the emergency sleeping bag unfolds to an impressive 7 feet long by 3 feet wide, ensuring it is large enough to fit just about anyone 【Versatile Multi-Purpose Use】This emergency sleeping bag can be used as a tent footprint, rain poncho, ground cover, wind blocker, water collector, and even as a snow melt container. It is ideal for outdoor camping, hiking, mountaineering, jungle traversal, river exploration, and vehicle emergencies. The reflective surface can also be used as a signal to rescuers, enhancing its utility in various situations