900 x 3900
900 x 3900 = 3510000
Example of 900 x 3900 pixels banner dimensions.
850 x 3950 860 x 3940 870 x 3930 880 x 3920 890 x 3910
900 x 3850 900 x 3860 900 x 3870 900 x 3880 900 x 3890
900 x 3950 900 x 3940 900 x 3930 900 x 3920 900 x 3910