Size:Queen | Color:White SPECIAL PRODUCT FEATURES Fabric: 100% 19 Momme pure Mulberry silk with 400 thread count; The underside of the pillowcase is cotton with 40-60 tex. Closure: Hidden Zipper Closure At The Side COTTON UNDERSIDE: The underside is made from 100% cotton. The cotton underside is designed to prevent the pillow from slipping from the underneath of your head or slipping off the bed. In addition,a cotton underside can help to reduce the overall cost, and most people only use one side of a pillowcase. SIZE: Two kinds of sizes could satisfy all demands.The standard & queen size (20”x30”) is designed for a queen pillow, and it is suitable (a little larger) for a standard pillow.The king size (20”x36”) is perfect for a king pillow. PACKAGE: This silk pillowcase have two ways of package: gift box and bag package. It can meet your different requests. KNOW MORE ABOUT SILK What is mulberry silk： Mulberry silk is a silk made from the cocoons of the larvae of Mulberry silkworms,which is the available silk with the highest quality at present.It is a kind of natural fiber that is much smoother, lighter and stronger than any other fibers in the world. What is Momme: Momme (mm) is a unit traditionally used to measure the quality of silk fabrics.One momme is equivalent to 4.340 grams per square meter.Usually, higher momme weight indicates more durable weave and luxurious fabric.16-25mm is suitable for pillowcases. How a silk pillowcase is made: The silk production requires a great deal of handling and processing work, including planting Mulberry trees, feeding silk worm, choosing silk cocoons, silk reeling, warping, weaving and many other complicated processes. Care Instructions: - Machine-washable in lukewarm water (30°C) on most gentle cycle available. - Use neutral or special detergent for silk, such as Tenestar( Click here to buy Tenestar at Lilysilk) - Minimize spin time. - Hang dry if possible. - Tumble dry on a cool setting if using drying machine. Avoid drying for extended period of time. - Iron when slightly damp using a cool setting. Always iron on the inside. - Keep out of touch of pets/sharp objects.