878 x 20540
878 x 20540 = 18034120
Example of 878 x 20540 pixels banner dimensions.
828 x 20590 838 x 20580 848 x 20570 858 x 20560 868 x 20550
878 x 20490 878 x 20500 878 x 20510 878 x 20520 878 x 20530
878 x 20590 878 x 20580 878 x 20570 878 x 20560 878 x 20550