It"s hard to beat the comfort of silk, at home or on the road, especially in less than desirable locations. With the Silk Sleep Sack you can have protection from dirt and bugs and also a little piece of luxury. All to often our hotel rooms, airplane seats and sleeping bags are filthy and dirty and cleaning them is not an option. Many of our customers use their Silk Sleep Sack inside of their sleeping bag for added warmth and to help keep clean, as well as a great warm weather alternative to blankets. Measures 84" x 68".