688 x 3830
688 x 3830 = 2635040
Example of 688 x 3830 pixels banner dimensions.
638 x 3880 648 x 3870 658 x 3860 668 x 3850 678 x 3840
688 x 3780 688 x 3790 688 x 3800 688 x 3810 688 x 3820
688 x 3880 688 x 3870 688 x 3860 688 x 3850 688 x 3840