840 x 9960
840 x 9960 = 8366400
Example of 840 x 9960 pixels banner dimensions.
790 x 10010 800 x 10000 810 x 9990 820 x 9980 830 x 9970
840 x 9910 840 x 9920 840 x 9930 840 x 9940 840 x 9950
840 x 10010 840 x 10000 840 x 9990 840 x 9980 840 x 9970