Simply align the highest side of the pillow with the cervical region. This section of the pillow has a high density reinforcement reducing strain on the neck. The beveled edge of the cervical section provides increased support for trapezoids. Although the thickness, proportions and reinforcement of the pillow favors sleeping on your back, the Somnia 03’’ may be used for sleeping in another position, if you are comfortable. The composition is made of high density, gel infused miscoelastic memory foam, designed to ensure stability of the cushion. Easily carried or folded. Most Supportive for the cervical/head. Measures 22Wx13Lx03H. Bamboo viscose removable cover is antibacterial, hypoallergenic and breathes/absorbs humidity. Machine washable in cold water. Lay flat to dry. No ironing. No bleach. Additional covers are available.