The neck pillow adopts a unique butterfly shape design, which combined with the traditional bed pillow, thus achieving significant neck pain relief. Butterfly shape gives your arms special armrests. Contour design holds your neck at the right height and offers excellent support during sleep. The central cavity properly supports the head, facilitates alignment of the head with the body and spine. Choose SUFOR pillow and experience a sound sleep! Safe & Odorless-Premium Memory Foam Pillows Our cervical pillow is made of CertiPUR-US and Oeko-Tex certified memory foam, which provides amazing comfort and soft yet sturdy support for sleep. When lying on this neck Pillow, it feels like floating on water or clouds, without any pressure on your skin.