640 x 3970
640 x 3970 = 2540800
Example of 640 x 3970 pixels banner dimensions.
590 x 4020 600 x 4010 610 x 4000 620 x 3990 630 x 3980
640 x 3920 640 x 3930 640 x 3940 640 x 3950 640 x 3960
640 x 4020 640 x 4010 640 x 4000 640 x 3990 640 x 3980