Machine washable: Baby sleeping pillows are made of very soft materials and memory foam fillings that keep their excellent shape even after repeated washing. Prevent flat heads: Baby nursing pillows provide excellent neck comfort and all-around support, preventing flat heads and improving the quality of sleep in newborns. Moisture wicking: The 3D baby pillow is made of breathable fabric, which is gentle and comfortable on the skin, moisture-wicking and cares for the delicate skin of babies. Cutout Center: The baby shape pillow is designed with a hollow center, which fits evenly on the back of the head and distributes the pressure evenly on the head. Wide Application: The baby nursing pillow is small and lightweight, can be used in cribs, bassinets, swings, baby gyms and strollers.