320 x 4020
320 x 4020 = 1286400
Example of 320 x 4020 pixels banner dimensions.
270 x 4070 280 x 4060 290 x 4050 300 x 4040 310 x 4030
320 x 3970 320 x 3980 320 x 3990 320 x 4000 320 x 4010
320 x 4070 320 x 4060 320 x 4050 320 x 4040 320 x 4030