Abstract: A removable panel assembly for a vehicle window, the panel assembly includes a removable panel sized and shaped to overlie at least a portion of an outward-facing surface of a vehicle window. A first retainer is configured to secure the panel in abutting relation to the window, the first retainer including a first engagement element configured to engage a first edge of the window and a second engagement element configured to engage an inward-facing surface of the window. A second retainer is configured to secure the panel in abutting relation to the window, the second retainer including a third engagement element configured to engage a second edge of the window and a fourth engagement element configured to engage the inward-facing surface of the window.