280 x 12250
280 x 12250 = 3430000
Example of 280 x 12250 pixels banner dimensions.
230 x 12300 240 x 12290 250 x 12280 260 x 12270 270 x 12260
280 x 12200 280 x 12210 280 x 12220 280 x 12230 280 x 12240
280 x 12300 280 x 12290 280 x 12280 280 x 12270 280 x 12260