liuKen Geometric Throw Pillow Covers Decorative Pillows Cotton Linen Cushion Cover 18 x 18 for Bed Cotton Linen The pillow covers are made of substantial cotton linen materials for textured yet comfortable touch Invisible and sturdy zipper closure,the pillow cover is easy to remove and insert the cushions The Pillow cover measures 18 x 18 standard size,perfect fits 18 x 18 cushions or throw pillows Unique designs just prints on the front side and the pillow cover color wouldn't run in the wash,coming with just a pillowcase The standard pillow case is perfect for home decor,living room,bedrooms or office.It is also a good choice for holiday gifts to related friends