Customized Standard Pillowcase Contrasting Colors Seamless Pattern Black and White Design Polkadots Pattern Throw Pillow 20 X 20 Square Cotton Linen Pillowcase Throw Pillow Cover Cushion Dimensions: 20" x 20", standard size for your pillow. Burlap Cotton Linen Material, healthy and durable. Hidden Zipper at one side, available for the pillow fillin. Image print back or front, please see the photo shows. Not include the insert, just the pillow cover. Machine washable.