This tool allows you to manage the uploads you've already uploaded to the site:

ADDONS > BULK UPLOADER > MANAGE UPLOADS

and looks like the following screenshot:

Within the screenshot you'll see:

1. the time of the bulk upload
2. the number of listings uploaded within that upload
3. the custom label you can give an upload to managed it later if needed.
4. clicking this button will remove all the bulk uploaded listings uploaded within that specific upload.