Please refer to how to measure your window for zebra shades image so that you may correctly choose the correct size to purchase. Please note that the fabric width is narrower than the width of the cassette valance. Photos depicted on this site may vary in color from various monitors and, or calibration colors. It advises ordering one shade to get a general feel for the product color prior to immediately ordering a large quantity. Fabric/shade is always 1 1/2″ less in width than the headrail. So for a window that is 24″ that you want to cover for an outside mount, you would need to order the shade at 25 1/2″. Arlo Blinds Length & Width: 34″W x 72″L, Color/Finish: Cream