Direct Mail

Print + Insert

The classic letter package: a personalized letter and its inserts, machine-inserted into an addressed envelope, with a camera confirming the right contents reached the right person.

Design it now in Plavidian Studio™ Build a Job Online Request a Quote

No account needed to design — build your print + insert in the browser free, then create an account to order.

At a glance

Sizes 8.5x11

Stock 70lb Text, 70lb Uncoated

Coating / finish None / Uncoated, None

Print sides 1/0 Black Front Only - Variable Data Letter, 1/1 Black Both Sides - Variable Data Letter, 4/0 Full Color Front Only, 4/4 Full Color Both Sides

Mailing Mails as a USPS mailpiece

Printed letter or insert package, matched to an envelope and inserted, addressed and mailed as one job.

Inserting adds a production stage after printing, so build the schedule around match-and-insert, not just press time. See turnaround times.

Overview

About print + insert

The letter package is direct mail's closer. An addressed envelope, a personalized letter, and the inserts that carry the ask or the notice, assembled by machine into one sealed piece. It is the format people reach for when the message is personal, the stakes are real, or a reply device has to travel with the letter, anything a postcard's open face cannot carry.

You choose a letter package when privacy, personalization, or a return path matters. A fundraising appeal needs a variable ask amount and a reply envelope; a renewal notice needs the member's specifics and a way to pay; a compliance or legal notice needs to reach exactly one household and prove it did. The envelope buys discretion the open postcard never offers, and the enclosed reply device shortens the distance between reading and responding.

Production runs in stages. Letters print with variable data, name, address, ask string, account details, then fold to fit the envelope: a tri-folded 8.5x11 drops into a #10, a half-fold into a 6x9, and full-size documents into a 9x12 that mails flat. Inserting is where the package comes together, as the letter, a buckslip or reply card, and a business reply envelope feed a single machine pass that collates, inserts, and seals. Window envelopes let the letter's own address show through, which removes a second addressing pass and the mismatch risk that comes with it; closed-face envelopes get addressed and matched instead.

Camera-matched inserting is the difference between a verified package and a stuffing operation. On matched jobs the machine reads each letter as it runs and confirms it is going into the envelope addressed to the same person, so person A's letter never lands in person B's envelope. Every piece becomes part of an auditable record that reconciles back to the mail file, which is exactly what a fundraiser reconciling gifts or a compliance team proving delivery will want to see.

On postage, First-Class buys speed, forwarding, and returns, while Marketing Mail buys price at volume, and we price both from your actual list and in-home dates so the trade is explicit rather than a rule of thumb. Postage prints as a permit imprint, a meter, or live stamps depending on strategy and audience. End to end, we standardize and CASS-certify the list, presort and optimize postage, print and fold, insert under camera match, then enter the mailing Full-Service so it earns automation pricing and feeds tracking back to you.

Mailing It

How print + insert mail

Letter packages mail at letter automation rates in #10 and 6x9 envelopes, while a 9x12 that carries unfolded documents crosses into flats pricing. The format decides the fold: a tri-folded 8.5x11 drops into a #10 exactly, a half-fold rides in a 6x9, and full-size sheets mail flat in a 9x12. The differentiating step is camera-matched inserting: each letter is read on the line and confirmed against the envelope addressed to the same person, so a fundraising ask or a personalized notice never reaches the wrong household, and the run reconciles back to your mail file. Window envelopes let the letter address itself, removing a second addressing pass and the mismatch risk that comes with closed-face addressing. Postage can print as a permit imprint, a meter, or live stamps, and we enter the mailing Full-Service so it earns automation pricing and feeds tracking.

Check the mailpiece templates Estimate postage free

Common Uses

Where print + insert earn their keep

Fundraising appeals

Personalized ask amounts and a matched reply envelope, verified piece by piece so the letter, the reply device, and the donor stay tied together on the return.

Official & compliance notices

Communications where the wrong letter in the wrong envelope is not an option, matched under camera and reconciled to the file as an auditable record.

Donor & member renewals

Letter, card, and business reply envelope assembled as one sealed package, with the member's specifics and a way to pay in the same mailing.

Statements & personalized notices

Account-specific letters that need privacy and accuracy, folded into window envelopes that address themselves and never expose the wrong record.

Welcome & onboarding kits

A personalized letter plus supporting inserts, collated and sealed in one pass so every new member receives the complete package.

Good To Know

Before you order

#10 is the standard envelope; a tri-folded 8.5x11 letter fits it exactly
6x9 carries half-folded letters and cards; 9x12 takes full-size documents and mails as a flat
Window envelopes address the letter itself, so there is no second addressing pass and no name-to-window mismatch
Multiple inserts (letter, buckslip, reply card, reply envelope) collate and seal in one machine pass
Camera matching reads each letter and confirms it against its envelope before sealing, reconciled to your list
Postage runs permit imprint, meter, or live stamps; First-Class or Marketing Mail, priced from your list
Letter automation rates apply to #10 and 6x9; a 9x12 crosses into flats pricing
Full-Service entry earns automation prices and feeds USPS tracking on the drop

Questions

Print + Insert FAQs

What does camera matching actually prevent?

The classic inserting failure: person A's letter in person B's envelope. On matched jobs a camera reads each letter and confirms the pairing before sealing, and every piece becomes part of an auditable record that reconciles back to your list.

Can I mix personalized and static inserts?

Yes. A variable letter can ride with static inserts like a buckslip or reply card, or multiple variable pieces can be matched together for higher-stakes packages where every enclosure has to belong to the same person.

First-Class or Marketing Mail for letters?

First-Class buys speed, forwarding, and returns; Marketing Mail buys price at volume. We price both from your actual list and in-home dates so the trade is explicit rather than a rule of thumb.

Which envelope size should I use?

#10 is standard and holds a tri-folded 8.5x11 exactly. A 6x9 takes a half-fold or heavier contents, and a 9x12 carries full-size documents unfolded and mails as a flat. We match the envelope to the fold and the rate you are after.

Do window envelopes really remove a step?

Yes. The letter's own printed address shows through the window, so there is no separate envelope addressing pass and no risk of a letter landing in an envelope addressed to someone else. Closed-face envelopes are addressed and camera-matched instead.

Can each package include a reply envelope?

Yes. A business reply or #9 return envelope collates and seals in the same machine pass as the letter, and perforated or tear-off reply cards can be built in as well. Tell us the reply path and we assemble it into the package.

Price your print + insert

Quantity, size, and dates. Quotes come back fast, and an account is free.

Request a Quote Create a Free Account