Hogwarts School Sign Gryffindor Ravenclaw Hufflepuff Slytherin Custom Pillowcase Pillow Sham Throw Pillow Cushion Case Cover 18x18 Inches Made of polyester material. 18 x 18 Inches, print on one side. Just pillow cover, not include insert. Hidden zipper design, Safe for machine washing. This Custom Pillowcase is a perfect choice for some one.