Personalized Throw Pillowcase 18 x 18 Stylish Gordon Dress Tartan Plaid Pillow Cover Made of durable and soft Satin Fabric. Size: 18 x 18 Inches(1 inch error range is allowed), print on one side. It's a zippered pillow case, with a zippered opening on the side. Please Note: Just one pillow cover, not include insert. There are slight difference between the picture and the real item caused by light brightness.