Lightweight and provide cozy temperature suitable for all seasons Made from premium anti-tear polyester fabric, flannel lining, 100% hollow cotton fill material making this sleeping bag waterproof, ultra-soft and rip-stop It can keep you warm even in extreme cold weather and prevent you from any dampness This sleeping bag uses a zipper guide to push fabric away from the zipper teeth for snag-free opening and closing The sleeping bag has separate zipper at the bottom for ventilation Comes with a travel-friendly carry bag, a compression sack with straps, which makes it quite convenient to store and carry Suitable and portable for camping, hiking and other outdoor activities