Promoted carousel ads on Pinterest allow you to add multiple images that users can browse through. These work well for multiple products or brand awareness and allow users to experience a deeper story for your brand.
Specs & Tips:
Image count: 2-5 images per Carousel
File type: PNG or JPEG
Max file size: 32 MB per image
Aspect ratio: 1:1 or 2:3
Text: Title: Up to 100 characters
Description: Up to 500 characters. Only the first 50-60 characters show in the feed.