Luxury travel sleep set 100 real mulberry silk Throw Pillow case and eye mask19 22Momme Charmeuse Silk, Glossy, Smooth, Soft Thread Count: 400 600 Closure: Envelope Closure Both Sides mulberry Silk. Our pillowcases are made in OEKO TEX Standard 100 factories. It ensures that they are environmentally friendly and not harmful to your skin. Our silk pillowcases are made of 100% natural silk, silk fabric has many kinds of organic ingredients which can accelerate the metabolism of skin surface layer lipid film, enhance skin