Soft Silker Silk Pillowcase 100% Pure Mulberry Charmeuse with Hidden Zipper 19MM 400 Thread Count Hypoallergenic for Hair Cotton Underside Turquoise Blue Queen/Standard SALE! Great product and beautiful packaging! Amazing Christmas gifts for family and friends! The upside is 100% Grade A long standard mulberry silk in 19mm 400 thread count, in white color.The underside is made with cotton of 300 thread count in white color, which is designed to keep the pillow in place. Beautiful packaging,amazing Christmas gift choice! Of all the mulberry silk fabrics on the market, our silk fabric price is much higher, because Soft Silker only uses Grade-A top quality mulberry silk. It's the most natural anti-aging product, as well as hypoallergenic, smooth, soft, breathable, and comfortable. High-quality silk can help prevent hair from becoming knotted and matted, and it can reduce facial wrinkles. Silk never absorbs facial moisture. You will wake up with shiny hair and healthy skin. It's absolutely healthy, chemical-free, naturally dyed, no color shading or fading. Great choice for those who have sensitive skin. Hidden zipper closure at the side prevents slipping. Size: 20 X 30 inches (51 x 76cm), usually fits standard and queen size pillows, you can measure you pillow size before buy.