100% Nylon Shell and Lining Imported WARM AND LIGHTWEIGHT: This mummy sleeping bag is filled with 300g/㎡soft imitation silk cotton insulation, provides a comfortable temperature rating of 42℉-55℉, it is designed to keep you warm while remain lightweight. Weighs just 2.87 lbs, can be compressed down to 13" in height. DURABLE NYLON SHELL AND LINING: This sleeping bag is made of 20D ripstop nylon for shell which is water-repellent, and 20D soft nylon for lining, which is comfortable and skin-friendly, provide you with a warm relaxing sleep. ROOMY AND LONG: Built long and roomy at 86.6 x 29.5 x 22.8 inches, this sleeping bag fit regular to tall person. A roomy foot box with added insulation will keep your toes nice and warm. IDEAL FOR THE OUTDOORS: Designed for outdoor camping, backpacking, hiking, bushcraft, thru hiking, fishing and mountaineering. This sleeping bag is completely machine washable. 100% SATISFACTION: We stand strongly behind our products. If you aren’t satisfied with the tent for any reason, please feel free to message us. This mummy sleeping bag is filled with 300g/㎡soft imitation silk cotton insulation, provides a comfortable temperature rating of 42℉-55℉, it is designed to keep you warm while remain lightweight. Weighs just 2.87 lbs, can be compressed down to 12" in height. It rolls up small and comes with a handy stuff sack, easily fit in any backpack.