Intellibed Low Profile Gel Adjustable Foam Pillow Perfect for side sleepers and back sleepers alike Our intelli-gel layer is Made of medical-grade gel that is non-toxic and hypoallergenic Intelli-gel sleeps cool and has outstanding comfort Soft, but supportive foam core All intellipillow' s come with a pump able air chamber that lets you adjust the Contour of the pillow by about 2 Inch