Meta Ads Guide
Find the latest Meta ad specifications, formats and placement best practices.
Carousel
Ads on Facebook Reels




Facebook Reels Overlay Ads is a form of Ads on Facebook Reels that can render on Reels content in the form of carousel image ads. Facebook Overlay Ads can appear at the start of the Facebook Reel content and can appear as a banner at the bottom of the reel.
You can use the carousel format in placement to showcase up to 10 images or videos within a single ad, each with its own link. With more creative space within an ad, you can highlight different products, showcase specific details about one product, service or promotion or tell a story about your brand that develops across each carousel card.
See for more information about each recommendation below.
Design Recommendations
- File Type: JPG or PNG
- Ratio: 1:1
- Resolution: At least 1080 x 1080 pixels
Due to the small image size, we recommend that you don’t add text on images.
Text Recommendations
- Primary Text: 60 characters
- Headline: 10 characters
Technical Requirements
- Number of Carousel Cards: 10
- Maximum File Size: 30MB
- Minimum Width: 600 pixels
- Minimum Height: 600 pixels
- Aspect Ratio Tolerance: 3%
All ads must comply with our Advertising Policies.
Choose a placement
Select a placement option to discover which objectives are available.

Choose a conversion location
The conversion location is the place where you want people to take action. For some objectives, the conversion location is automatically selected for you.
View available calls to action
Not all calls to action may be available to you, depending on your industry.

