Most creative types are eligible to serve on mobile inventory, as long as they're the right size.
Content requirements
Asset requirements
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File types and formats
Supported:Image, HTML5, or Mobile Rich Media Ad Interface Definitions (MRAID) creative asset
Not supported:0×0 flex creatives served by third-party ad servers
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Dimensions: The most common interstitial dimensions are 320 × 480 for smartphones and 768 × 1024 for tablets. Be sure to traffic both portrait- and landscape-oriented creatives in the same line item to ensure your line item will be eligible to bid on all interstitial bid requests .
On Google Ad Manager, creative sizes can fit within a range based on screen dimensions. Display & Video 360 will select the largest eligible creative where possible.
Common creative dimensions
Smartphone
| 250 × 250 | 300 × 250 |
|---|
Tablet
| Mobile web | Mobile app |
|---|---|
| 300 × 250 | 728 × 90 |
| 728 × 90 | 320 × 50 |
| 160 × 600 | 300 × 250 |
| 468 × 60 | 768 × 1024 / 1024 × 768* |
* Most common interstitial portrait and landscape dimensions
Standard IAB ad sizes (for example, 728 × 90) can occasionally show on mobile devices.

