280 x 3880
280 x 3880 = 1086400
Example of 280 x 3880 pixels banner dimensions.
230 x 3930 240 x 3920 250 x 3910 260 x 3900 270 x 3890
280 x 3830 280 x 3840 280 x 3850 280 x 3860 280 x 3870
280 x 3930 280 x 3920 280 x 3910 280 x 3900 280 x 3890