Treat yourself with luxury silk pillowcase for 1/3 of your lifetime! Why sleeping time worthwhile our investment? We spend almost 1/3 lifetime in sleeping, so improving sleep enviroment and level is undoubtedly important Amazing soft touch Pure Mulberry Charmeuse Silk has a luxurious and unforgettable feel. This luxury bedding is made of pure 19 Momme, Grade A Mulberry Charmeuse Silk, which equates to a 600 Thread Count. This silk pillow cover is OEKO-TEX Certified (Standard 100) to be free of chemicals and colored with environmentally-safe dyes. Available in White/ Ivory (un-dyed natural silk color - off-white) and Grey, Pink, Brown. - GRADE 6A 100% MULBERRY SILK: Silk pillowcase is the best kept secret of super models, hair stylists, beauty experts and dermatologists. It is completely natural and silk pillow case designed by our team of experts that does wonders for your hair, skin and overall health while you sleep! It has 18 kinds of Amino Acids that are believed to effectively stimulate your skin cells metabolism. Not All Silk is the Same, We Only Use 100% Pure Mulberry Silk, Highest Grade 6A, OEKO-certified. - BOTH SIDES SILK, YKK HIDDEN ZIPPER CLOSURE: Both sides of this silk pillow cover are constructed from 100% mulberry silk which gives it a smooth finish and double-sided use; The hidden zipper design allows easy fitting and secures the pillow overnight. We have updated to high quality YKK zipper for longer use. King size 20x36 (50 x 90cm). - BEST CHOICE FOR COOL SLEEPERS- Silk is Ultra Soft, Smooth, Comfortable & Breathable and is Naturally Temperature Regulator, Which Helps You Maintain The Correct Body Temperature. It Keeps You Feel Cool In Summer And Warm In Winter.The Hidden Zipper Design Will Hold Your Pillowcase Perfect Whole Night, You Do Not Need to Worry It Slip Out Your Pillow, and Enjoy Deep Sleep. - OEKO-100 CERTIFIED, ECO-FRIENDLY: OEKO-TEX certified to be free of chemicals and colored with environmentally-safe dyes; Because of the smooth soft surface of silk, your delicate skin and hair follicles gently glide across the surface, making it perfect for those with sensitive skin. Sleeping on a silk pillowcase makes your face better hydrated and is also beneficial to those with dry flaky skin. SLEEP BETTER, SLEEP BEAUTIFULLY.