What is a pillow without a case....seriously though? Let's face it we all need to switch out our case more often. The cube is a soft as can be, but you can't throw that thing in the washer. This fitted pillow case fits every corner of your Cube seamlessly. For real, we have like no seams on this thing. Made from Double-Brush Poly Microfiber, this fabric is extra soft, give your face the comfort it deserves. Will fit Side Cube, Side Cube Deluxe, Ice Cube, and Ice Cube Deluxe Extra Soft Microfiber Fitted Design for Pillow Cube Machine Washable