Memory Foam Material The pillow is filled with quality memory foam and uses 5S slow rebound technology. It provides skinfriendly, comfortable softness with sturdy support to help you sleep without collapse. Breathable and Washable Pillowcase Includes a soft, skinfriendly pillowcase made from breathable ice silk for a cooler, more comfortable sleeping experience. The side of the pillowcase features a hidden zipper for easy removal and cleaning. Ergonomic Design with Two Heights Designed to fit the natural curves of the body, with two height options to choose from. It offers ideal support for the neck, shoulders, head and arms, promoting a comfortable and painless sleep. Unique Contour Design Contour reshapes the head area and hollow to provide targeted support, encouraging proper spinal alignment, reducing body pressure, and helping to extend deep sleep. Key Benefits Supports neck, shoulders, head and arms with ergonomic, dualheight design Memory foam with slow rebound for lasting comfort and sturdy support Breathable, skinfriendly ice silk pillowcase that is removable and washable Contour design promotes spinal alignment and reduces pressure for deeper sleep 23 Use Scenarios Back sleepers who need stable neck support and spinal alignment for restful mornings Side sleepers who require additional height to keep the spine neutral and shoulders comfortable People experiencing neck or upperbody stiffness who want pressure relief and longer deep sleep Material and performance Filling: memory foam with 5S slow rebound technology Pillowcase: breathable ice silk, skinfriendly Cover design: hidden zipper for easy removal and cleaning Height options: two selectable heights for comfort