ALPS Mountaineering Brushed Polyester Mummy Sleeping Bag Liner Cozy sleeping bag liner for mummy style sleeping bags Made of high quality Brushed Polyester fabric that will keep you warm all night Conveniently includes a standard stuff sack for easy travel If you're tired of trying to clean the inside of your sleeping bag and it's constantly getting dirty, a liner will be a great solution Dimensions: 32" x 86", Weight: 11 oz.