This product was developed and designed through joint research and development with the Chinese body database,the product is categorized into S/M/L sizes, and each size contains back/side sleeper and high/low pillows.The product is microbiologically tested,with anti-bacterial and anti-mite functions.The split design provides proper support to the neck,the micropore structure releases the pressure on the pillow surface with a good wrapping effect.The pillowcase is made of 85% regenerated fiber and 15% cotton,supplemented by a high concentration of hyaluronic acid.