Chartwell Staffing Solutions
Large mobile banner: 320 x 100
Billboard: 970 x 250
Large leaderboard: 970 x 90
Leaderboard: 728 x 90
Banner: 468 x 60
Small square: 200 x 200
Portrait: 300 x 1050
Wide skyscraper: 160 x 600
Skyscraper: 120 x 600
Half-page: 300 x 600
Large rectangle: 336 x 280
Inline rectangle: 300 x 250
Square: 250 x 250
