340 x 4200
340 x 4200 = 1428000
Example of 340 x 4200 pixels banner dimensions.
290 x 4250 300 x 4240 310 x 4230 320 x 4220 330 x 4210
340 x 4150 340 x 4160 340 x 4170 340 x 4180 340 x 4190
340 x 4250 340 x 4240 340 x 4230 340 x 4220 340 x 4210