Ebuyingcity Cotton Linen Durable Square Throw Pillow Case Decorative Cushion Cover Pillowcase with Invisible Zipper, Vintage Patriotic the Union Jack British Flag Style Pillowcase for Size 18 "X18 " This pillowcase is Made of durable cotton linen cloth material, comfortable and vintage This pillow case is with an invisible zipper, fit for your 18"*18" square pillow Please pay attention that the picture pattern is only on the front side, no picture pattern on the back Pillow Insert is NOT included, package is including a pillowcase only