The expanded sleeping bag is convenient to carry and can be used as a blanket. Stylish and compact after folding, easy to put in the carry bag and save space. You can also pull the two sleeping bags together to create a double layer sleeping bag. In spring, summer and autumn, you can use the cold unlined sleeping bag whether hiking or camping in the mountain. This is the ideal sleeping bag. Each super comfortable sleeping bag is filled with high quality cotton cloth which can provide the best outdoor warmth and night rest options. Double sided zipper design for ease of use. This product is suitable for adults, teenagers and children. It provides a suitable size for different shapes of users. Compact and lightweight packaging design is lightweight and portable, so you won't feel stress when you travel.