1684 x 18000
1684 x 18000 = 30312000
Example of 1684 x 18000 pixels banner dimensions.
1634 x 18050 1644 x 18040 1654 x 18030 1664 x 18020 1674 x 18010
1684 x 17950 1684 x 17960 1684 x 17970 1684 x 17980 1684 x 17990
1684 x 18050 1684 x 18040 1684 x 18030 1684 x 18020 1684 x 18010