Tri-Core Cervical Pillow Our most requested fiber support pillow provides softer support and lasts longer than traditional pillows. The trapezoid-shaped center delivers great orthopedic benefits; cradling the head and firmly supporting the neck. High resiliency fiber springs back when compressed for exceptional comfort and durability. Blended cotton cover is breathable and soft to the touch. Fits a standard pillowcase. 24x 16 (61cm x 41cm) Maximize Your Comfort And Support Our fiber pillows are designed specifically with the neck and back in mind. Choose the firm support of our Standard Tri-Core Pillow or the Gentle Tri-Core Pillow with slightly less fiber and height. If you are new to a cervical support pillow, it may take time to adjust; this is the pillow working to help restore proper cervical curve during sleep. Tri-Core Full size - 24x16 (61cm x 41cm) *Note: The difference between standard support (firm) and gentle is subtle. The gentle support option contains less fiber, which slightly reduces the height and firmness of the pillow.