AARP Media Advertising Network offers a full range of online display ad formats across all screens: desktop, mobile, and tablet. Check this site often for the latest specifications, guidelines, and available formats. All ads must comply with and meet AARPʼs Advertising Policies, Digital Advertising Guidelines, and be SSL Compliant.
The 300x250 is part of the IAB Universal Ad Package (UAP). It runs throughout the AARP.org website appearing on desktop, tablet and mobile devices. The 300x250 can be designed as an expandable ad unit where it would appear only on desktop.