Furniture Design Da Vinci Home Textile Pillow Core by Jiangsu Careseen E-Commerce Co., Ltd. Darwin cervical pillow is designed for the sleeping problems of curved necks and the lower necks not lying on the pillow. It adopts a two section design, which is filled with down and pipe tubes. By unzipping the pillow, the tubes inside can be taken out to adjust the height. This pillow can effectively support the neck, hold the backside of the head, prevent the neck from not lying on or being pressed by the pillow, thus correcting the curve of the cervical spine and improving their sleep.