Silk pillowcases are made from 100% Grade 6A mulberry silk.Our 19 Momme terse silk pillowcases is the perfect choice to enter the world of silk. Inexpensive yet effective in treating common sleep-related facial/hair problems our 19 Momme pillowcases is the ultimate as well as the easiest way to turn your everyday sleep into a rejuvenating journey of comfort.The Terse styled features a simplistic flange-less design with a side-opened envelope closure for those who like to put their hands under their pillowcases when they sleep.