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LetterStream Provider of Critical Mail Services

Flat Envelope Mail Options

Flat Envelope First Class



Starting at $2.03 each


Features

  • Send up to 75 printed pages in a single envelope.
  • Your documents arrived unfolded (except for what the Postal Service might do)
  • Mix color and black and white printed documents
  • Add Return envelopes - get creative!

Required

Certified Flats



Starting at $8.79 each


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.

Required


First Class Letter Options
Certified Letter Options

Flat Packet Highlights

Now send lots of documents in a single large envelope. Whether you need First-Class mail or fully trackable Certified Mail, our Flat Envelope option makes it easy to send large document sets to whoever you need. Mix and match color printed documents with black-print documents, add return envelopes or even choose postcard paper for some pages; whatever you need, this flat packet should do it (up to 75 sheets of paper).