Stay comfortable, clean, and extra warm when you use the Sea to Summit Silk/Cotton Blend Travel Liner. This liner not only improves the thermal capability of your favorite sleeping bag, but also improves hygiene and is gentle enough to not irritate your skin. It is machine washable and colorfast, so you can easily have it clean and ready to use at a moment's notice. FEATURES: Suitable for use as hygienic travel sheets Improves thermal capabilities of sleeping bags Machine washable Durable double-folded and reinforced seams Won't irritate sensitive skin Materials: silk and cotton blend Dimensions: 73" x 36" Weight: 4.7 oz. Style: 311U