Beautiful, 100% mulberry silk pillow case with hidden zipper. Silk pillowcases are machine washable at 30 degrees Silk is very quick-drying Bed mite repellant A good quality silk pillowcase is long-lasting Silk is a natural product and hypoallergenic Suitable for the most sensitive skin A silk pillowcase does not draw away moisture like cotton Sleeping on silk has anti-aging benefits Cooling in summer Warming in winter Less absorbent than cotton Sleeping on a silk pillowcase feels luxurious Non-flammable Silk is a smooth fabric so reduces hair frizz Beauty benefits include fewer lines and wrinkles