More supportive shredded memory foam: the baby works nursing pillow is a massive improvement over conventional nursing pillows. Helps relieve back pain: the dense memory foam top layer provides support to keep babies propped up during breast or bottle feeding. Great for bottle feeding too: our nursing pillow is specifically made 15-20% larger to provide superior support for larger babies. Soft and luxurious cover is removable and washable: the pillowcase is fitted to ensure there is no extra bunching fabric and features a child-safe zipper.