504 x 21000
504 x 21000 = 10584000
Example of 504 x 21000 pixels banner dimensions.
454 x 21050 464 x 21040 474 x 21030 484 x 21020 494 x 21010
504 x 20950 504 x 20960 504 x 20970 504 x 20980 504 x 20990
504 x 21050 504 x 21040 504 x 21030 504 x 21020 504 x 21010