828 x 21000
828 x 21000 = 17388000
Example of 828 x 21000 pixels banner dimensions.
778 x 21050 788 x 21040 798 x 21030 808 x 21020 818 x 21010
828 x 20950 828 x 20960 828 x 20970 828 x 20980 828 x 20990
828 x 21050 828 x 21040 828 x 21030 828 x 21020 828 x 21010