100% Nylon Shell and Lining Imported ULTRALIGHT AND COMPACT: weighs just 1.77 lbs, can be compressed down to 11” in height. This ultralight sleeping bag is filled with 160g/㎡soft imitation silk cotton insulation, provides a comfortable temperature rating of 50℉-63℉. It rolls up small and comes with a handy stuff sack. 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. MAKE IT DOUBLE: It can be turned into a double sleeping bag by join two same sleeping bag together. Measures at 78.7 x 29.5 inches, this sleeping bag fit most adults and kids. The bottom zipper can be fully unzipped for breathability of your feet. IDEAL FOR THE OUTDOORS: Designed for outdoor camping, backpacking, hiking, bushcraft, thru hiking, trekking, fishing and climbing. 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. Weighs just 1.77 lbs, can be compressed down to 11” in height. It rolls up small and comes with a handy stuff sack, easily fit in any backpack. This ultralight sleeping bag is filled with 160g/㎡soft imitation silk cotton insulation, provides a comfortable temperature rating of 50℉-63℉, it is designed for warm weather backpacking.