Mobile Banner

Also known as an X-Large Mobile Banner, these are 300x50 ad units designed for smartphone users.

Template:Click here to download this template or save the image below.



Submission Lead-Time: Creative files and click-through URLs must be submitted to Northstar no later than 5 business days prior to launch.

Creative Unit Name
IAB Standard
width x height
File Types
File Size Limit
Mobile Banner
300x50gif, jpg, png50KB
Mobile Banner
300x50gif, jpg, png50KB


Animation: Allowed for this unit.
  • 15s max - 3 loops max

Expansion: Not Allowed for this unit.

Video & Audio: Not Allowed for this unit.

3rd Party Hosted Accepted. See General Guidelines for additional information. Northstar will not provide video metrics on 3rd party hosted creative.