# Category Icons

MRS includes the ability to send back a category icon.

* Icons are served when a logo is unavailable.
* It’s recommended that you use your own Icons so that they fit with your user experience.
* MRS supports two sizes for the image:
  *  PNG images of 96x96 pixels and 192x192 pixels 
* If not supplied, MRS will use the following default categories and category icons:

<figure><img src="https://3426765591-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F3PkUQNFQ8zz26qyVygsV%2Fuploads%2FCJDYKQKkVEVjjFs6HAzg%2Fimage.png?alt=media&#x26;token=22b85fa0-bc36-4fbb-b833-8a0223a22244" alt=""><figcaption></figcaption></figure>

Note: These icons are defaults only, it is recommended that your own icons be used.