Wild Bramble 20" X 12" Real Marble Pillow Cases Cushion Covers The material of this pillowcase is top quality COTTON CANVAS, which is durable and environmentally friendly. Pillowcase size:12 inch * 20 inch (30cm * 50cm), Fits most standard and queen size pillows. This cushion cover has an invisible zipper, and it is washable. The Printing is in the front, no printing only natural color of canvas in the back. Package: one pillow case, pillow fillings are not included.