320 x 3970
320 x 3970 = 1270400
Example of 320 x 3970 pixels banner dimensions.
270 x 4020 280 x 4010 290 x 4000 300 x 3990 310 x 3980
320 x 3920 320 x 3930 320 x 3940 320 x 3950 320 x 3960
320 x 4020 320 x 4010 320 x 4000 320 x 3990 320 x 3980