Running Horse Custom Zippered Pillowcase Pillow Cases Cover 20 X 30 Inch (twin sides) Material: high quality cotton linen Size: 18" x 18"/ 45cm x 45cm (1-2cm Deviation) This pillow cover has an invisible zipper The pattern is only on the front side, pillow insert is not included We offer customized products, click on the link DiyWay design page: www.diyway.com/design/gRztygJY