320 x 12480
320 x 12480 = 3993600
Example of 320 x 12480 pixels banner dimensions.
270 x 12530 280 x 12520 290 x 12510 300 x 12500 310 x 12490
320 x 12430 320 x 12440 320 x 12450 320 x 12460 320 x 12470
320 x 12530 320 x 12520 320 x 12510 320 x 12500 320 x 12490