- Perfect for travelling in the car, bus and aircraft. *Attaches to the side window with the supplied suction cups, or place it behind the neck for best neck comfort. *Can also be used as a back support. *Comes with a cool and warm side for summer and winter. *Outer fabric of polyester and microfibre filling. *Dimensions: 30 x 20 x 8.5 cm. Colour: black.