The original gel foam sleeping pillow with 9 cm height (also 11 or 15 cm or 18 cm available in our other offers: http://www.amazon.de/dp/B00IJ9K900 + https://www.amazon.de/dp/B007IHK91I + https://www.amazon.de/dp/B07WZF59ZX) offers excellent support for the cervical spine. and ensures a correct and guaranteed correct Sleep posture. It is particularly suitable for stomach sleepers and relieves existing discomfort. Gel foam is softer than visco foam and is even more supple and comfortable than a viscose cushion. So perfect for a restful nights sleep. Maximum sleeping comfort for healthy sleeping and relaxed waking up: gel foam adapts precisely and specifically to the shape of your body, anatomically perfect shape, 100% breathable thanks to special integrated air channels, returns to its original state after every pressure load, no more annoying crushing during sleep, orthopaedically proven, pain-relieving effect. AcAcAcAcAcAcAcThe best sleeping environment – high-tech material developed by NASA – anti-allergic – Oeko-Tex Standard – confidence in textiles = tested for harmful substances – covers are very skin-friendly and washable at 40 °C. The pillow is hygienically always perfect, as the removable covers (inner cover 100% cotton, outer cover 100% polyester) can be washed in the washing machine at 40 °C. Allergy sufferers can sleep peacefully and restfully with this pillow. This orthopaedic pillow, recommended by many patient gymnasts, adapts perfectly to the neck bend and supports the cervical spine during sleep. Tension and resulting headaches are avoided. It allows you to have a healthy and restful sleep again. The outer dimensions of the pillow are 72 x 40 cm, so that it can easily be inserted into a standard duvet cover (e.g. B. 80 x 80 cm).