Decorative Pillow Cover for Sofa 18 x 18" Standard Size Pillowcase Birch Trees Pillows Protector 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.