InteVision Knee Pillow with, 400 Thread Count, 100% Egyptian Cotton Cover Two-layer-design: memory foam on top of a highly resilient base foam provides enhanced comfort while preventing the pillow being compressed into "flat". Direct from the manufacturer and ONLY available at Amazon! Helps to keep your legs, hips, and spine parallel and aligned, relieving strains on those areas and promote circulation Includes a high quality, zippered 400 thread count, 100% Egyptian cotton cover Every product comes with the trademark InteVision. Size: 12" x 7" x 8". Color: blue GUARANTEE - If you are not 100% satisfied, just return it (even used) for a full refund.