ALASKA BEAR Luxurious 25 Momme Silk Pillowcase, 100% Mulberry Silk Pillow Case Cover, Queen(1, Black) 100% 25 momme mulberry silk, 900 thread count, over 30% more silk than 19 mm weight pillowcase, thicker and more durable! Dermatologists recommend natural silk pillow cases for the cool touch and breathability. Great for preventing wrinkles, dry skin and frizzled hair, and morning bed head. Hidden zipper for style, comfort and better fit; Handmade, top-quality workmanship that lasts. 20 x 30 inches (51 cm x 76 cm), fits most queen-sized pillows. Chemical-free, naturally dyed, no color shading or fading. OEKO-TEX Standard 100 Certified. "Makes a great gift for anyone who enjoys deep, restorative sleep!"