688 x 6850
688 x 6850 = 4712800
Example of 688 x 6850 pixels banner dimensions.
638 x 6900 648 x 6890 658 x 6880 668 x 6870 678 x 6860
688 x 6800 688 x 6810 688 x 6820 688 x 6830 688 x 6840
688 x 6900 688 x 6890 688 x 6880 688 x 6870 688 x 6860