STAY WARM EVEN INEXTREME CONDITIONS - Made out of ultra-lightweight 26m extra-thick mylar material , this thermal survival sleeping bag weighs just 4.6 ounces. Plus,The material reflects 90% of your body's heat back to you, making it an essential survival tool and addition to your bug out bag, emergency shelter or camping gear. RESIST RAIN, WIND, & SNOW: Waterproof and windproof survival bivvy bag is made of extra-thick tear & puncture resistant polyethylene material with sealed seams locking out harsh weather to cover & protect you in the worst conditions. Plus, this emergency bivvy bag features reinforced taped seams, creating a weather-resistant barrier between you and the frigid cold. It will withstand howling winds and pouring rain without getting ripped like many flimsy emergency heat blankets do. SIGNALLING RESCUE Professional emergency color - orange helps the user be found more easily in an emergency, life bivy emergency sleeping bag. Ease of use Easier than an emergency space blanket, Just pull out of the stuff sack, unroll and climb inside. The emergency sleeping bag can be used as a sleeping bag liner to keet your body temperature. This bivy bag is small and lightweight, easy to carry and store. PACKAGE INCLUDE 1 Pack survival sleeping bag. For better performance, please keep it sealed. Your Life Bivy is durable enough for repeated uses so it can be folded up and placed back inside the waterproof Nylon stuff sack for your next adventure.