Ojia Vintage Letters Printed Decorative 18 X 18 Inch Linen Throw Pillow Cover Cushion Case, Keep Clam and Carry On (Black) cotton blend linen Made of 100% grade A cotton blend liene natural material Size: 18 x 18 inches / 45 cm x 45 cm Features patterns of Letters"Keep Clam and Carry On" Hidden zipper design, Safe to machine wash Pillow insert are not included