Air-Core Down Travel Pillow from Cocoon is a super-lightweight travel pillow with an inflatable, exchangable air core and hydrophobic down filling.\nThe shell of the pillow features a zipper (to exchange the air core, if necessary) and is made of 15 Denier Polyester on one side and soft and warm Microfiber on the other. Cocoon Air-Core Down Travel Pillow Sunflower/Grey | Buy Cocoon Air-Core Down Travel Pillow Sunflower/Grey here | Outnorth