Use this travel liner with a sleeping bag or under blankets for a comfortable, restful night's sleep in warm, humid climates. CoolMax® 100% polyester fabric wicks moisture away from the body and is extra-stretchy so you don't feel constricted. The liner adapts to varying temperatures and humidity levels and keeps your sleeping bag clean. Easily packs in the included 3" x 5" nylon stuff sack. Machine washable. Imported. Dimensions: 84"H x 36"W.