684 x 30480
684 x 30480 = 20848320
Example of 684 x 30480 pixels banner dimensions.
634 x 30530 644 x 30520 654 x 30510 664 x 30500 674 x 30490
684 x 30430 684 x 30440 684 x 30450 684 x 30460 684 x 30470
684 x 30530 684 x 30520 684 x 30510 684 x 30500 684 x 30490