1780 x 21720
1780 x 21720 = 38661600
Example of 1780 x 21720 pixels banner dimensions.
1730 x 21770 1740 x 21760 1750 x 21750 1760 x 21740 1770 x 21730
1780 x 21670 1780 x 21680 1780 x 21690 1780 x 21700 1780 x 21710
1780 x 21770 1780 x 21760 1780 x 21750 1780 x 21740 1780 x 21730