310 x 12500
310 x 12500 = 3875000
Example of 310 x 12500 pixels banner dimensions.
260 x 12550 270 x 12540 280 x 12530 290 x 12520 300 x 12510
310 x 12450 310 x 12460 310 x 12470 310 x 12480 310 x 12490
310 x 12550 310 x 12540 310 x 12530 310 x 12520 310 x 12510