Bullet Points: 1Warm Sleeping Bag: Designed with versatility in mind, these polar fleece sleeping bag liners can add extra warmth to your sleeping bag and double as a cozy blanket for relaxing at home. 2Product Size: Dimensions while zipped are 70 inches long, 31 inches wide; unzip to use the sleeping bag liner as a blanket. 3Lightweight and Portable: Lightweight, compact and portable sleeping bag can be used as a double blanket or picnic rug when it is unzipped. 4Convenient to Use: The sleeping bag will give you a soft and comfortable feeling when sleeping in the liner. With double-sided zipper for convenient use. 5Multiple Functions: The sleeping bag can be used as a liner or as a blanket. Take our sleeping bag for camping, hiking, backpacking or to the park, it will be your best choice. Specification: Name: Fleece Sleeping Bag (Inner Liner) Size: about 180cmx80cm/70.87*31.50in Fabric: Ultra-fine high-density fleece Weight: about 500-550g Suitable for: outdoor, indoor office, dormitory, hotel, guesthouse, train, etc. Role: keep warm and dirty Use season: spring, summer, autumn and winter (four seasons) Operating temperature: above 15 C Packaging: Each sleeping bag is equipped with a packaging bag, which is ultra-light and portable. Packing List: 1 * Fleece Sleeping Bag 1 * Storage Bag