Google Display Ads sizes for 2019

Mobile ad sizes

300 x 250 320 x 50 320 x 100 250 x 250 200 x 200

Computer ad sizes

300 x 250 336 x 280 728 x 90 300 x 600 160 x 600 970 x 90 468 x 60 250 x 250 200 x 200