878 x 21800
878 x 21800 = 19140400
Example of 878 x 21800 pixels banner dimensions.
828 x 21850 838 x 21840 848 x 21830 858 x 21820 868 x 21810
878 x 21750 878 x 21760 878 x 21770 878 x 21780 878 x 21790
878 x 21850 878 x 21840 878 x 21830 878 x 21820 878 x 21810