[Compact & Portable]: Each sleeping bag has a compression sack, which is very convenient to carry and store, and does not take up space. It easily collapses to a compact size of 36 20 cm, saving valuable space and weight in your backpack.^ [ High-quality materials]: This sleeping bag is made of high-quality hollow cotton to keep you warm and comfortable, and to prevent the sleeping bag from getting wet, so you don't have to worry about being wet and can't use it. You can open the sleeping bag wide and use as a blanket.^ [Two-Way Zipper]: No more frustration with zippers that break easily or get stuck easily. Zipper is accessible from both inside and outside. Secure the zip using the Velcro at the top of the bag to prevent accidental opening.^ [Application]: The sleeping bag is ideal for camping, travel, camping, trekking, hiking, festival, backpacking or sleeping over with friends.