Amazon Ads Sponsored Brands — Store Spotlight ads are square 1:1 still images, measured at 400×400 px, up to 1 MB per file, delivered as JPG or PNG. They run in the Search Results (Top of Search) placement on Amazon Ads. Use these requirements to brief designers, validate uploads, and avoid creative rejections in Amazon Ads's ad manager.
| Dimensions | 400 × 400 px |
|---|---|
| Aspect ratios | 1:1 |
| Orientation | square |
| Max file size | 1 MB |
| File types | JPG, PNG |
| Headline | 50 chars |
|---|
Store Spotlight sub-format showcases up to three Store sub-pages, each with its own image and sub-page title. Brand logo: 400×400 px minimum (1:1 square) PNG/JPG, ≤1 MB. Per-page image: 400×400 px minimum (1:1 square) JPG/PNG, unique per sub-page, no added text or graphics. Headline: ≤50 characters. Each sub-page label: ≤10 characters. Requires an Amazon Store with at least 3 sub-pages. Clicking a sub-page image or label takes the shopper directly to that Store page.
Official source: https://advertising.amazon.com/resources/ad-specs/sponsored-brands