About this item100% Mulberry SilkBOTH SIDES 22 MOMME GRADE 6A MULBERRY SILK: Our silk pillowcase is made of 100% long strand, Grade 6A Pure Mulberry Silk, 650 thread count. The density of silk is measured by momme. The higher the momme, the more silk. Our 22 momme silk pillowcase has 30% more silk than 19 momme pillowcase! More luxurious, thicker and durable. This silk doesn’t tear or rip even when you stretch, you can use it for many years.BEST FOR HAIR AND SKIN: This is the natural anti-aging product. Silk has 18 kinds of Amino acids that are believed to effectively stimulate your skin cells’ metabolism, helps your skin maintain its natural moisture and reducing facial wrinkles. The natural smoothness of silk prevents static electricity and reduces friction, preventing dry/ knotted hair and reduce hair loss/bed head.HIGH QUALITY CRAFTSMANSHIP & HIDDEN ZIPPER DESIGN: Crafted by experienced silk makers and made of organically fed and raised mulberry worm silk that offers a beautiful silk sheen with strong seam. With 22 momme mulberry silk on both side helps to improve sleep quality and slows aging. Hidden Zipper Closure, Very Noble and Thoughtful Design, keeping the Pillowcase in Place all night.TEMPERATURE REGULATOR: Health and Beauty Professionals recommend silk. Natural silk is skin-friendly and contains a substance called ‘hydrophilic side amino acid’ that absorbs moisture from the air and removes it to keep the pillow dry and comfortable, helps feel cool in summer and warm in winter. Greater protection than 19 momme pillowcases against dust, allergens and toxins. Makes a great gift for anyone who enjoys deep, restorative sleep!EASY CARE & DURABLE: Our luxury silk pillowcases can be tossed right into the washing machine without the fear of fading or shrinkage. Hand wash or machine wash in Cold Water on Gentle Cycle with silk-friendly detergent and air dry.