840 x 21000

840 x 21000 = 17640000

Example of 840 x 21000 pixels banner dimensions.

790 x 21050 800 x 21040 810 x 21030 820 x 21020 830 x 21010

840 x 20950 840 x 20960 840 x 20970 840 x 20980 840 x 20990

840 x 21050 840 x 21040 840 x 21030 840 x 21020 840 x 21010