840 x 25740
840 x 25740 = 21621600
Example of 840 x 25740 pixels banner dimensions.
790 x 25790 800 x 25780 810 x 25770 820 x 25760 830 x 25750
840 x 25690 840 x 25700 840 x 25710 840 x 25720 840 x 25730
840 x 25790 840 x 25780 840 x 25770 840 x 25760 840 x 25750