280 x 3440

Example of 280 x 3440 pixels banner dimensions.

230 x 3490 240 x 3480 250 x 3470 260 x 3460 270 x 3450

280 x 3390 280 x 3400 280 x 3410 280 x 3420 280 x 3430

280 x 3490 280 x 3480 280 x 3470 280 x 3460 280 x 3450