Mamora-Kishi Silk Pillowcase Ribbon Type (Pink), 65x50cmBecause pillowcases come into contact with your hair and skin for extended periods of time, we recommend silk, a material with excellent breathability and moisture retention, offering "coolness in summer and warmth in winter"! Silk is a natural fiber made from unraveling silkworm cocoons, characterized by its beautiful luster and smooth texture. [Silk's Beauty Power Silk's Benefits] 1. Silk fibers are composed of 18 amino acids, the same components as