878 x 20570
878 x 20570 = 18060460
Example of 878 x 20570 pixels banner dimensions.
828 x 20620 838 x 20610 848 x 20600 858 x 20590 868 x 20580
878 x 20520 878 x 20530 878 x 20540 878 x 20550 878 x 20560
878 x 20620 878 x 20610 878 x 20600 878 x 20590 878 x 20580