858 x 40000
858 x 40000 = 34320000
Example of 858 x 40000 pixels banner dimensions.
808 x 40050 818 x 40040 828 x 40030 838 x 40020 848 x 40010
858 x 39950 858 x 39960 858 x 39970 858 x 39980 858 x 39990
858 x 40050 858 x 40040 858 x 40030 858 x 40020 858 x 40010