Travel Airline Sleep Set by Yala Dream Sack allows you to travel with your own silk travel blanket, pillowcase and eyeshades. Upgrade your coach experience to first class with this great comfort set. Silk sleep set by DreamSacks is luxurious, soft and is a great temperature regulator on airplanes that are either too hot or too cold. Travel Blue Silk Sleep set rolls up into its own travel bag with tie for packing in your carry-on, backpack or briefcase.