REDUCES NECK AND BACK PAIN: The time-tested contoured design perfectly supports and aligns your head, neck, shoulders and back. The incline prevents your head from rolling out of a stable position. Reduces pressure on the cervical spine and vertebrae. Improves sleep, relieves neck and shoulder pain and discomfort, and rejuvenates your body. Consult your doctor if you need to use it for rehabilitation.ERGONOMIC DESIGN: The Elviros Contour Pillow is well-designed to support your body's natural curves, maintain optimal airflow, reduce snoring, and allow you to sleep more soundly. The side openings are designed to give your upper arms a place to rest and keep them at an angle so your shoulders don't hunch in front.Two heights: designed for both back and side sleepers: dimensions 64 L x 35 W x 12 H cm. Back sleepers with cervical problems can sleep on the higher side (12cm) of the double angled pillow as this side provides better support for the head and cervical spine, keeping the neck in correct alignment with the rest of the body. Other supine/side sleepers can sleep on the lower side of the pillow PREMIUM MEMORY FOAM PILLOW FILL: The Elviros Ergonomic Sleep Pillow Fill is made from high-density, slow-rebound memory foam. This will provide firm support for sleeping with amazing comfort and softness. It will also retain its shape and firmness over long periods of time. The memory foam itself will have a very faint smell, if you can't accept it, please ventilate. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.