1780 x 11800
1780 x 11800 = 21004000
Example of 1780 x 11800 pixels banner dimensions.
1730 x 11850 1740 x 11840 1750 x 11830 1760 x 11820 1770 x 11810
1780 x 11750 1780 x 11760 1780 x 11770 1780 x 11780 1780 x 11790
1780 x 11850 1780 x 11840 1780 x 11830 1780 x 11820 1780 x 11810