Neck support pillow uses 3D mesh fiber pillowcase that allows heat to escape and fresh air to cycle in. You can rest assured that you will own a cooling and sweet dream! Neck pillow provides all of the curves, divots and angles needed to help to relieve pressure which has a more refined thoughtful contour design than others, fits side, back, and stomach sleepers. Choose us, choose better sleep and a healthier future! It uses two different thicknesses for a custom feel. Simply rotate your bed pillow 180 degrees to enjoy a higher or lower contour! The removable insert at the bottom also provides more height liberty. Make your pillow just right for every night! You spend about one-third of your life sleeping, why not choose a pillow best for your sleep and health? It's expensive to do cervical rehabilitation by a physical therapist every day, but it's easy to enjoy pain-relief sleep every night with we contour pillow! We promise our quality products and customer service. If you do not enjoy the product, just contact our customer service, no questions asked, you will get the solution at once!