Kingcamp compact portable lightweight soft machine washable cotton mummy sleeping bag liner is designed for traveling, hiking, camping, trekking and hotel. It is made of 100% cotton material, which makes it very soft and comfortable against your skin. The sleeping bag liner has multifunction as it protects both you and your sleeping bag. When traveling and camping, you may sometimes end up sleeping in places where the cleanliness is a question. In those situations your sleeping bag liner will be your savior. The liner has an opening on one side to make it easy for you to getinto. The opening is then closed with straps so you won’trisk slipping out from the sheet during the night. The sleeping bag liner can prolong the lifetime for the sleeping bag. The liner also preserves your sleeping bag, as a sleeping bag is not easy to clean, while our liner can be put in the washing machine for easy cleaning. The clean sleeping bag liner can ensure adequate sleep.