Zipper with double open, pull inside and outside, can be free to operate. It can be put on the mattress for prevent dirty and keeping warm in a hotel. Made of light-weight high density fleece that is soft and comfortable against your skin. This small, light sleeping bag is needed for a trip with multiple functions and easy portability. It is suitable for hiking, climbing, camping, self-driving tour, fishing and other outdoor activities. Material: fleece. Size: 180*80cm. Storage size: 14*29cm. Color: show as pictures. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. 1 * Sleeping Bag. Material: fleece. It will give you a soft and comfortable feeling when sleeping in the liner Take our sleeping bag liner camping, hiking, backpacking or to the park, it wil be your best choice Versatile, low-profile fleece sleeping bag liner provides warmth and comfort It can be used as a sleeping bag for separate dirty things, also as a liner in down sleeping bag The sleeping bag liner can be folded into a small size. Come with a stuff sack, convenient to carry and saving pace