Top Grade Material--All side of silk pillowcase are made with finest quality 19 Momme silk, being 100% safe and gentle on your delicate skin, which is delicate and soft to the touch. has a unique luster and a good resilient feel, which will not make you feel tight. Choose this silk pillowcases, No more tangled, frizzy hair, no more dry skin. Invisible Zipper Design--Expert craftsmanship with fine materials means we offer the Top-Grade silk pillowcase. Our master level seamstresses ensure each stitch is perfect, invisible zipper hold your pillowcase perfectly. Benefit Your Hair - Whether it is long hair or curly hair, silk pillowcases can reduce friction with the hair, and will not absorb moisture in the hair like other pillowcases, which can effectively avoid hair tangles. With this silk pillowcase, you no longer have to worry about seeing messy hairstyles after getting up, which can keep a happy mood every morning. Care Instructions: Silk is a protein structure much like human hair. Suggest hand wash separately in cold water. Use a mild or specially formulated silk shampoos. The cooling luxury silk pillow case holds up great in cold water wash and better AIR DRY it hanging on a rack instead of tumble dry. Hidden zipper closure at the side avoids slipping,Size of silk pillowcases: 14 inches x 20 inches (36 x 51cm), usually fits /travel size pillows, you can measure your pillow size before you make the order