1. Warm and Comfortable: This flannel sleeping bag is filled with 300g/ hollow fiber, featuring a soft flannel lining and quality, durable polyester ripstop fabric. It provides warmth, softness, comfort, skinfriendliness, and waterproof properties. 2. Large and Roomy: Designed with an extrawide, cylindrical shape, this flannel sleeping bag is longer and wider than standard models. Its spacious interior allows you to move , just like in bed, making it incredibly cozy for home or outdoor use. for autumn, spring, summer, and winter adventures. 3. Thoughtful Design: Our ultralightweight sleeping bag is ideal for backpacking. It includes a semicircular hood with an adjustable drawstring to keep your head warm. The doublesided zipper at the bottom ensures quick ventilation and can be operated from inside or outside. It can also be unfolded into a quilt or sleeping mat as needed. 4. UserFriendly Features: The doublesided zipper is snagresistant, making it easy to open and close from either side. On hot days, simply unzip the bottom for airflow to cool your feet. It can also be fully opened and used as a blanket or pillow for picnics or games.