870 x 3520
870 x 3520 = 3062400
Example of 870 x 3520 pixels banner dimensions.
820 x 3570 830 x 3560 840 x 3550 850 x 3540 860 x 3530
870 x 3470 870 x 3480 870 x 3490 870 x 3500 870 x 3510
870 x 3570 870 x 3560 870 x 3550 870 x 3540 870 x 3530