The ultra light handy travelsheets silk are very soft hypoallergenic and temperature balancing it keeps you cool in hot weather and warm in cold weather travelsheets silk are easy to wash and dry extremely fast a travelsheet in the coupler version is an travelsheet with a zipper and has signed a travelsheet for a person who pitched a blanket coupled to a second cocoon travelsheet coupler cocoon tropic traveler cocoon outdoor blanket cocoon sleeping bag or cocoon fleece blanket a sleepin