300 x 12900
300 x 12900 = 3870000
Example of 300 x 12900 pixels banner dimensions.
250 x 12950 260 x 12940 270 x 12930 280 x 12920 290 x 12910
300 x 12850 300 x 12860 300 x 12870 300 x 12880 300 x 12890
300 x 12950 300 x 12940 300 x 12930 300 x 12920 300 x 12910