1200 x 3100
1200 x 3100 = 3720000
Example of 1200 x 3100 pixels banner dimensions.
1150 x 3150 1160 x 3140 1170 x 3130 1180 x 3120 1190 x 3110
1200 x 3050 1200 x 3060 1200 x 3070 1200 x 3080 1200 x 3090
1200 x 3150 1200 x 3140 1200 x 3130 1200 x 3120 1200 x 3110