LUXURIOUS BEDDING ITEM - 100% pure 6A grade mulberry silk, all our pillowcases are made of 25 momme silk with 600 thread count. They are OEKO certified. The density of silk is measured by momme, the higher the momme, the more silk. We believe that material quality is the first and main step to offer our customers with premium silk pillowcases. SPA EXPERIENCE NIGHT: Silk is ultra soft, smooth, comfortable and breathable. Silk is a natural temperature regulator, which helps you maintain a correct body temperature. It keeps you cool in summer and warm in winter. After a busy day at work, the evening should be relaxing and pleasant, a good silk pillowcase will bring you a luxurious sleeping experience. BEAUTY SECRET The silk pillowcase is soft and smooth, and the friction coefficient with the human body is the lowest of all fibers, only 7.4%. Silk contains 18 amino acids that allow your face and hair to slip, with 45% less friction, reducing wrinkles. Also protects your hair from tangling, leaving it to shine naturally and healthily. Recommended by hairdressers, beauty experts and dermatologists. Hidden Zipper & Silk Care Our silk pillowcase is equipped with an invisible zipper, allowing you not to feel its presence. Your pillow is perfectly held in place and does not move. Dry cleaning or hand washing is recommended. If you want a machine wash, follow these steps: turn the pillowcase inside out or use a mesh wash bag, wash in cold water on the gentle cycle or by hand using mild detergent. Multiple Sizes & Colors: Queen: 50 x 75 cm; King Size: 50 x 90 cm; Standard Size: 50 x 66 cm, Multiple colors and sizes for you to choose. Our products are the perfect gift for your family and friends. - -