828 x 21800
828 x 21800 = 18050400
Example of 828 x 21800 pixels banner dimensions.
778 x 21850 788 x 21840 798 x 21830 808 x 21820 818 x 21810
828 x 21750 828 x 21760 828 x 21770 828 x 21780 828 x 21790
828 x 21850 828 x 21840 828 x 21830 828 x 21820 828 x 21810