688 x 6800
688 x 6800 = 4678400
Example of 688 x 6800 pixels banner dimensions.
638 x 6850 648 x 6840 658 x 6830 668 x 6820 678 x 6810
688 x 6750 688 x 6760 688 x 6770 688 x 6780 688 x 6790
688 x 6850 688 x 6840 688 x 6830 688 x 6820 688 x 6810