Feature●100% Polyester●Imported●Liner protects and keeps your sleeping bag clean, and can add up to 5 degree fahrenheit to the temperature rating of your sleeping bag Use it alone in warmer climates or when spending the night in a hostel; silk feels cool in the summer●The travel sheet is made of 100% Polyester with a silky texture which makes it very soft and comfortable. Machine wash the liner with mild soap; drip dry or tumble dry on low●Side zipper opening for easy accessDescription Travel and Camping Sheet Sleeping Bag Liner