FULLY ADJUSTABLE. Remove or add Memory Foam to suit your sleep position and pillow loft MACHINE WASHABLE. Soft, breathable, lightweight and comfortable removable outer pillow case Shredded Memory Foam / Down Alternative Fiber Blend FAMILY SAFE. Zoey Pillows are CertiPUR-US and OEKO Certified. Curved Contoured Edge Designed to Help Reduce Back, Neck and Shoulder Pain