688 x 30990
688 x 30990 = 21321120
Example of 688 x 30990 pixels banner dimensions.
638 x 31040 648 x 31030 658 x 31020 668 x 31010 678 x 31000
688 x 30940 688 x 30950 688 x 30960 688 x 30970 688 x 30980
688 x 31040 688 x 31030 688 x 31020 688 x 31010 688 x 31000