1680 x 12500
1680 x 12500 = 21000000
Example of 1680 x 12500 pixels banner dimensions.
1630 x 12550 1640 x 12540 1650 x 12530 1660 x 12520 1670 x 12510
1680 x 12450 1680 x 12460 1680 x 12470 1680 x 12480 1680 x 12490
1680 x 12550 1680 x 12540 1680 x 12530 1680 x 12520 1680 x 12510