Factory direct sales, obtained a patent certificate. 3D breathable U-shaped pillow: 0-6 months of use. 3D ultra breathable mousse mesh pillow core, the whole pillow can be washed (pillow core, pillowcase can be washed). The height of the double-layer pillow can be adjusted, and it is universal for all seasons. Soft, comfortable, breathable, not stuffy, corrective, styling, anti-flat head, anti-deviation head, shoulder protection, neck protection, sleep aid. It can be used as stereotyped pillow, arm pillow, nursing pillow and cart pillow.