✅Premium Material: 22 momme Zima Silk is different from other brands, it’s made of upgraded 22mm pure mulberry silk. With best textured - ultra soft and smooth, promises you comfort sleep and provides you with silky soft feel and glimmer appearance to your bedroom. ✅FUNCTIONAL SILK MATERIAL:The touch feel of this material is more soft, breathable, and comfort than average silk fabric.Meanwhile,it has a better moisture wicking feature. ✅BEST FOR HAIR&SKIN:The silk pillowcases prevent hair from becoming knotted and matted,have good sleeping,reduce facial wrinkles.It is a anti-aging product.