Our Throw Pillow Case Provence Design - Manosque Pink & Green come in 3 sizes; 18 inches x 18 inches, 20 inches x 20 inches, 24 inches x 24 inches when flat and are sold without an insert so that they can be stuffed with pillows, lavender flower, cotton balls, etc.. They come with a zipper for easy washing. Like the rest of our fabric products, our Pillow Covers are hand made and finished with a Hem for better strength. They are available in all the designs that we carry for easier coordination.