Specially designed sleeping pillow uses convoluted foam shaped to support the neck and promote airflow * Special wedges inserted into each edge to provide cervical support regardless of which side you use * 22 x 19 * Poly/cotton blend cover included * This pillow does NOT compare to the Wal-Pil-O * The Wal-Pil-O is a 4-in-1 pillow that has been clinically proven to help reduce pain *