Dececos Decorative Cotton Linen Blend Throw Pillow Cover Square Pillow Case Cushion Cover 18 x 18 Inches (Green) The pillow cover is made of cotton linen blend. The size is about 45*45cm/18"*18"(1-2cm error). The invisible zipper design, it is easy to removable and machine washable. Decoration: living room, bedroom, home office, dining room and so on. Please Note: the pillow insert is not included, Single-sided printing pattern design.