840 x 25640
840 x 25640 = 21537600
Example of 840 x 25640 pixels banner dimensions.
790 x 25690 800 x 25680 810 x 25670 820 x 25660 830 x 25650
840 x 25590 840 x 25600 840 x 25610 840 x 25620 840 x 25630
840 x 25690 840 x 25680 840 x 25670 840 x 25660 840 x 25650