A natural and smooth real silk eye mask that accompanies you to sleep well. Cover Fabric: 22 Momme High-quality pure mulberry silk. What mulberry silk: Comes from the country that accounts for 82% of the world's production, 100% 6A grade high-quality 22 momme, strict control of thickness, density, gloss, etc. Filling: 100% pure and natural long-strand silk floss. Washable: Hand wash in cold water or dry-cleaned, suggested daily cleaning after use. Adjustable Strap Circumference: Fits for most people. Extremely strict workmanship and sewing. Scenes: Summer, commuting, falling asleep, sleep aid, bedroom, rest at work. Exquisite gift box packaging, the best sweet gift for birthdays, anniversaries, Christmas, or your family, start a wonderful relationship journey.