* ★ SAVE YOUR LIFE: Designed for emergency and survival situations where warmth or protection from all-weather conditions is required. Bivy sack can helps you to prevent the hypothermia and attached whistle allow you to call for help in order to others to quickly confirm your location and get quick rescue even save your life. * ★ DURABLE & KEEP WARM: Survival bag is made of extra-thick mylar material with a tear and puncture-resistant coating to prevent harsh weather and extreme conditions. The emergency bivy sack is durable enough to be reused. It can withstand howling winds, pouring rain and heavy snow to keep you warm, which making it an essential survival shelter, emergency blanket and emergency . * ★ OUTDOOR ESSENTIALS: Easy to use at outdoor, just pull out of the stuff sack, unroll and climb inside to keep your body temperature. Small and lightweight emergency shelter allows you to carry it anywhere, which making it an essential survival gear. * ★ MULTI-PURPOSE EMERGENCY SLEEPING BAG: Our emergency sleeping bag can be used as survival shelter, emergency blanket, rain poncho and emergency bivy sack all-in-one. These survival whistle can make loud sound, play a important role in various emergency situations. * ★ LIGHT-WEIGHT & COMPACT: Each survival sleeping bag measures 78.7 x 47.2 inches (200 x 120 cm), enough to accommodate any adult body.Folding size 11 x 7 x 7 cm and a weight of 118 grams. This bivy sack is small enough to fit in the palm of your hand. It's easy to carry and store at anytime and anywhere, helping to save space.