990 x 3900
990 x 3900 = 3861000
Example of 990 x 3900 pixels banner dimensions.
940 x 3950 950 x 3940 960 x 3930 970 x 3920 980 x 3910
990 x 3850 990 x 3860 990 x 3870 990 x 3880 990 x 3890
990 x 3950 990 x 3940 990 x 3930 990 x 3920 990 x 3910