Sleep.E Memory foam pillow inner,super-elastic lining,breathable pillowcase,waterdrop pillow,bone pillow,Care occipital MO3022 Appearance: ergonomic design, support your cervical vertebra, size13.4*9.4*4.3inches, weight0.7pounds Pillowcase: 100% polyester fiber fabric, skin-friendly, breathable, soft and comfortable; maintain the freshness of the skin Lining: antibacterial and anti-mite Pillow slow rebound: the imported polyether polyurethane raw materials and the advanced molding technology, pillow inner will not deform permanently Zipper: will not be scratched by the rubber zipper