1780 x 12000
1780 x 12000 = 21360000
Example of 1780 x 12000 pixels banner dimensions.
1730 x 12050 1740 x 12040 1750 x 12030 1760 x 12020 1770 x 12010
1780 x 11950 1780 x 11960 1780 x 11970 1780 x 11980 1780 x 11990
1780 x 12050 1780 x 12040 1780 x 12030 1780 x 12020 1780 x 12010