320 x 12700
320 x 12700 = 4064000
Example of 320 x 12700 pixels banner dimensions.
270 x 12750 280 x 12740 290 x 12730 300 x 12720 310 x 12710
320 x 12650 320 x 12660 320 x 12670 320 x 12680 320 x 12690
320 x 12750 320 x 12740 320 x 12730 320 x 12720 320 x 12710