720 x 21800
720 x 21800 = 15696000
Example of 720 x 21800 pixels banner dimensions.
670 x 21850 680 x 21840 690 x 21830 700 x 21820 710 x 21810
720 x 21750 720 x 21760 720 x 21770 720 x 21780 720 x 21790
720 x 21850 720 x 21840 720 x 21830 720 x 21820 720 x 21810