320 x 12300
320 x 12300 = 3936000
Example of 320 x 12300 pixels banner dimensions.
270 x 12350 280 x 12340 290 x 12330 300 x 12320 310 x 12310
320 x 12250 320 x 12260 320 x 12270 320 x 12280 320 x 12290
320 x 12350 320 x 12340 320 x 12330 320 x 12320 320 x 12310