Lyn&reg; Cotton Linen Square Throw Pillow Case Decorative Cushion Cover Pillowcase for Sofa 18 "X 18 " Lyn-31 (1) Measures 18 inches square, 45 x 45 cm This cushion cover has an invisible zipper the pattern is only on the front side This is a hug pillowcase, not including the core Made of durable cotton linen cloth material