Best Of Friends: Hatsune Miku Luka Kagamine Rin Pillowcases Custom Pillow Case Cushion Cover 20 X 30 Inch Two Sides It'S A Zippered Pillow Case, With A Zippered Opening On The Side. With Pre-Shrunk Fabric, This Pillowcase Is Washable At 60 Concealed Zipper Keeps Your Body Pillow Fresh And Clean Easily Removable For Washing