850 x 3970
850 x 3970 = 3374500
Example of 850 x 3970 pixels banner dimensions.
800 x 4020 810 x 4010 820 x 4000 830 x 3990 840 x 3980
850 x 3920 850 x 3930 850 x 3940 850 x 3950 850 x 3960
850 x 4020 850 x 4010 850 x 4000 850 x 3990 850 x 3980