1048 x 20640
1048 x 20640 = 21630720
Example of 1048 x 20640 pixels banner dimensions.
998 x 20690 1008 x 20680 1018 x 20670 1028 x 20660 1038 x 20650
1048 x 20590 1048 x 20600 1048 x 20610 1048 x 20620 1048 x 20630
1048 x 20690 1048 x 20680 1048 x 20670 1048 x 20660 1048 x 20650