720 x 21120
720 x 21120 = 15206400
Example of 720 x 21120 pixels banner dimensions.
670 x 21170 680 x 21160 690 x 21150 700 x 21140 710 x 21130
720 x 21070 720 x 21080 720 x 21090 720 x 21100 720 x 21110
720 x 21170 720 x 21160 720 x 21150 720 x 21140 720 x 21130