Metallica Pillow Cases Cover 18x18 inch Cushion Case (Two sides) Size:18x18 inch, we also have some other sizes, if you need other sizes, you can contact us, we can customize one for you. Material: 50% cotton, 50% polyester Two same images are printed on two sides of the pillowcase, if you want two different pictures to be printed on two sides of the pillowcase, you can send me your own pictures, we can design for you. Zippered pillow case, with a zippered opening on the side. A personalized pillow case can add fashion and beauty to your room.