Sebastian Michaelis Black Butler Custom Pillowcase Pillow Cases Cover 20x30 (one side) Standard Size Rectangle Pillow Cases 50% cotton, 50% polyester custom pillowcase. The size of this pillowcase is 20X30 inches,Two sides printed. Insert is not included. It's a zippered pillowcase with a zippered opening on one side. If you have any problem,do not hesitate to contact us.