678 x 21800
678 x 21800 = 14780400
Example of 678 x 21800 pixels banner dimensions.
628 x 21850 638 x 21840 648 x 21830 658 x 21820 668 x 21810
678 x 21750 678 x 21760 678 x 21770 678 x 21780 678 x 21790
678 x 21850 678 x 21840 678 x 21830 678 x 21820 678 x 21810