Canvas Accent Pillows French Flag and the Eiffel Tower Pillow Cover 18 x 18" Standard Size Pillowcase for Sofa Measures 18 x 18 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.