The pillow Memory Foam Travel Pillow from Cocoon contains Memory Foam. This is a unique, flexible foam originally developed for NASA - the American Space Program- to support the astronauts by minimizing the incredible G-forces effecting the human body during lift off. Toching your body, the Memory Foam rects to your body temperature, softening and conforming of the contours of your body, thus redistributing your body weight, offering full support and incredible comfort for your head, neck and spine. The soft pillow case is made of 80% cotton and 20% Polyester Velours. Easy to wash.