Durable Zippered Pillow Cover Black and Beige Preppy Buffalo Check Plaid Accent Pillows 18 x 18" Measures 18x18 inch square, 45 x 45 cm Made of durable and high quality canvas material This pillow cover has an invisible zipper The print is only on one side Decorative Pillow Cover Cushion Cases. Great for home, office, sofa and couch use, birthday favors, wedding, valentine's day gifts etc.