DAYEEBALL nursing pillow cover is perfectly compatible with B-O-P-P-Y nursing pillows, and the elastic fabric is suitable for most curved nursing pillows on the market. It is made of soft, breathable, and skin friendly polyester fabric, which is very suitable for the delicate skin of newborns, fully ensuring the comfort of the baby, and making the baby grow strong. The nursing pillowcase has a hidden large opening zipper, making it smooth and easy to put on and take off. It's machine washable, freeing up mother's hands and keeping the nursing pillowcase clean and the fashionable and colorful pattern is loved by both baby boys and girls, making it the best gift for babies and mothers.