Cocoon Travel Pillow Nylon Pillow (Medium - 29 x 38 cm, grey/black) - For plane, train, tent or cabin, these are the ultimate lightweight travel pillows. In their own stuff sack, they compact to the size of your fist, which makes them small enough to easily fit into your carry-on bag. Useful as a lumbar support or under your head. Pillows available with premium goose down or premium synthetic fill.