840 x 12890
840 x 12890 = 10827600
Example of 840 x 12890 pixels banner dimensions.
790 x 12940 800 x 12930 810 x 12920 820 x 12910 830 x 12900
840 x 12840 840 x 12850 840 x 12860 840 x 12870 840 x 12880
840 x 12940 840 x 12930 840 x 12920 840 x 12910 840 x 12900