VINQLIQ UltraLight 100% Soft Cotton Sleeping Bag Liner TravelSheet Warm Roomy Comfortable Rectangular 83" x 40" in for Outdoors, Travel, Camping, Hiking, Backpacking, Hunting, Mountaineering 100% Cotton Soft and Safe - 100% premium natural cotton is soft against skin and safe to your skin for its better skin affinity. Friendly to sensitive skin. Warm and Comfortable - Roomy, gusseted design. Thin and breathable fabric makes you more comfortable. Improved thermal performance keeps you warm. Easy to use - Split sides make for easy entry and exit. A top pocket keeps your pillow in place. Two pieces can be zipped together to as a two person sleeping bag liner Lightweight and Compact - Only 14 oz weight, super compact. Comes with a ripstop stuff sack for easy storage and compact transport. Multipurpose - It can be used either as a sleeping bag liner (to add warmth, or just keep the inside of your sleeping bag clean) or on it's own as a travel sheet in warmer climates.