850 x 3950
850 x 3950 = 3357500
Example of 850 x 3950 pixels banner dimensions.
800 x 4000 810 x 3990 820 x 3980 830 x 3970 840 x 3960
850 x 3900 850 x 3910 850 x 3920 850 x 3930 850 x 3940
850 x 4000 850 x 3990 850 x 3980 850 x 3970 850 x 3960