688 x 27440
688 x 27440 = 18878720
Example of 688 x 27440 pixels banner dimensions.
638 x 27490 648 x 27480 658 x 27470 668 x 27460 678 x 27450
688 x 27390 688 x 27400 688 x 27410 688 x 27420 688 x 27430
688 x 27490 688 x 27480 688 x 27470 688 x 27460 688 x 27450