Mail to PDF, Print
It allows you to create a PDF and Print from selected Gmail messages. This app can include images (both inline and located on the web) from the selected messages in the generated PDF.
The generated PDF is stored in the user's Google Drive, and you can print it directly. This app also allows you to save bulk Gmail's attachments to Google Drive directly.
This app use a Google Apps Script hosting on Google clouds.    
Select from Labels      
 
Select Target Folder to Save
Root Folder
 
Filename to save   Save Attachments to Google Drive
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 Max execution time: 6 minutes, Max PDF size: 50M (Apps Script)
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