210 x 40

210 x 40 = 8400

Example of 210 x 40 pixels banner dimensions.

160 x 90 170 x 80 180 x 70 190 x 60 200 x 50

210 x -10 210 x 0 210 x 10 210 x 20 210 x 30

210 x 90 210 x 80 210 x 70 210 x 60 210 x 50

220 x 50 230 x 60 240 x 70 250 x 80 260 x 90