1. COMFORTABLE SLEEPING BAG FOR ADULTSSoft lining; Half circle hood surrounds your head and keeps warm ; Unzips at the or bottom for easy access and ventilation; our sleeping bags are designed to ensure that after a tiring day of trekking, hiking, travel or any other exploration you can get a good and relaxing night's sleep. 2. USED FOR 3 SEASONSRated temperature 41 77℉(5 25℃). Comfort temperature is 50 68℉(10 20℃). Portable, lightweight compact design which is convenient to carry along for emergency, and its ability to withstand extreme weather conditions – certainly the sleeping bag for backpacks and adventures. 3. DESIGNA right zipper one and a left zipper one can be zipped together to double sleeping bag for couple or family uses. A half circle hood with an adjustable drawstring keeps your head warmer even in extreme conditions. The single sleeping bag could spread out as a blanket/quilt at home. The Sleeping bags are suitable for both outdoor and indoor use. 4. MATERIALOuter Cover Material: 210T Nylon, Cozy, Waterproof and Breathable Fabrics; Lining Material: 190T Polyester Pongee; Fill Material: 100% hollow fiber. The sleeping bag is a good gear for traveling and walking. The sleeping bags are also easy to clean as they are machine washable.