Cocoon 100% Ripstop Silk TravelSheet is woven with a grid like structure of strong silk threads. Ripstop Silk is more durable and resistant to tearing than regular silk an innovative fabric developed by COCOON. Silk is soft against your skin and responds well to changing temperatures it feels cool in the summer and is warm in the winter. TravelSheets made of silk are easy to hand or machine wash and dry quickly. Great for travel, youth hostels or anywhere where bedding cleanliness is in question. Made of 100% ripstop silk. More durable and more resistant to tearing than regular silk. Adds 5.3 of warmth to your sleeping bag. Easy care hand or machine wash, dries quickly. Size: 86 x 35 in. Wt. 5.6 oz.