278 x 3520

278 x 3520 = 978560

Example of 278 x 3520 pixels banner dimensions.

228 x 3570 238 x 3560 248 x 3550 258 x 3540 268 x 3530

278 x 3470 278 x 3480 278 x 3490 278 x 3500 278 x 3510

278 x 3570 278 x 3560 278 x 3550 278 x 3540 278 x 3530