Personally recommended by renowned midwives and maternity specialists, including Anne Margolis,Caitlyn Schollmeier, and Allison Tartari. Our maternity pillow cover is removable and machine washable for quick and easy cleaning. It will still be soft and comfy even after 365+ washes. Both outer and lining cases have independent zipper. You can adjust the filling to a comfortable height just depend on your sleeping style and need. Our pillow is filled with a premium polyfill blend that is designed to provide soft comfort with increased support density as you apply weight to it. We've double-stitched this pillow all the way around to ensure extra durability, enhancing your sleeping experience.