858 x 20480
858 x 20480 = 17571840
Example of 858 x 20480 pixels banner dimensions.
808 x 20530 818 x 20520 828 x 20510 838 x 20500 848 x 20490
858 x 20430 858 x 20440 858 x 20450 858 x 20460 858 x 20470
858 x 20530 858 x 20520 858 x 20510 858 x 20500 858 x 20490