Flat Envelope First-Class

As low as: $2.67 ea.
Features
- Send up to 75 printed pages in a single envelope.
- Your documents arrive unfolded (except for what the Postal Service may do)
- Mix color and black and white printed documents
- Add Return envelopes – get creative!
Required
- CSV data file/address list (learn how to create this from your excel document)
- PDF file of your document (learn how to create pdf files)
Certified Flat

As low as: $9.96 ea.
Features
- Send up to 75 printed pages in a single envelope.
- Track your documents on LetterStream.com or USPS.com
- Your documents arrived unfolded (except for what the Postal Service might do)
- Send up to 75 printed pages in a single envelope.
Flats with Electronic Return Receipt (ERR)
Electronic Return Receipt (ERR) option as low as $12.78
Required
- CSV data file/address list (learn how to create this from your excel document)
- PDF file of your document (learn how to create pdf files)
- Up to 75 sheets of paper!