678 x 27680
678 x 27680 = 18767040
Example of 678 x 27680 pixels banner dimensions.
628 x 27730 638 x 27720 648 x 27710 658 x 27700 668 x 27690
678 x 27630 678 x 27640 678 x 27650 678 x 27660 678 x 27670
678 x 27730 678 x 27720 678 x 27710 678 x 27700 678 x 27690