Olanby 100% Mulberry Silk Pillow Shams Cover with Hidden Zipper Pillowcase (Queen, Ivory) Size: 20x 26inches (51x66cm, fits standard pillows), 20 30inches 5176cm, fits queen pillows), 2036inches, (5191cm, fits king pillows). Hidden zipper design makes the pillowcase hold the pillow perfectly. Big opening and longer zipper allow you to easily fit the pillow into the pillowcase. Material: 100% 22 momme mulberry silk on both sides, silk pillowcases a combination of softness, smoothness, and durability. Advatages: safe and breathable and hypoallergenic, cool. Silk fabric has 18 kinds of Amino acids that are believed to effectively stimulate your skin cells' metabolism, therefore slowing the aging process. Gift box packing: Every pillowcase was wrapped in a beautiful box. you can buy this beautiful gift for anyone and will provide her/him with highand comfortable sleep. 22 momme pure mulberry 100% silk