864 x 21000
864 x 21000 = 18144000
Example of 864 x 21000 pixels banner dimensions.
814 x 21050 824 x 21040 834 x 21030 844 x 21020 854 x 21010
864 x 20950 864 x 20960 864 x 20970 864 x 20980 864 x 20990
864 x 21050 864 x 21040 864 x 21030 864 x 21020 864 x 21010