688 x 3520
688 x 3520 = 2421760
Example of 688 x 3520 pixels banner dimensions.
638 x 3570 648 x 3560 658 x 3550 668 x 3540 678 x 3530
688 x 3470 688 x 3480 688 x 3490 688 x 3500 688 x 3510
688 x 3570 688 x 3560 688 x 3550 688 x 3540 688 x 3530