Comfortable pillow made of special foam, self-inflating. Top cover: lightweight polyester fabric with honeycomb structure (honey comb) high strength. Underside: Special black fabric with many small slip stoppers. Colour: blue. Material: 100% polyester. Operating instructions: Open the valves and allow air to flow in. After a short time (when air is no longer flowing in) bring the material to the desired degree of hardness by additional, short inflation. Dimensions: 50x31x10cm