Commonly used in hotels, airplanes, dorm rooms, hostels, inside sleeping bags, or in place of sleeping bag in warm climates. Perfect for any kind of travel or adventure. * 100% Silk * Size: 95" x 36" * Water-proof pouch is attached to the liner so you will never lose it * Weighs 5.5 ounces * At the top of the liner, there is a pouch for your pillow (keeps it clean) * There are ties on the upper side of the liner, in case you want to enclose yourself. * Fits in either Mummy or Rectangle sleeping bags. * Hand wash, hang to dry. The Silk Sleep Sack is huge on luxury and small in size.