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Expansion Envelopes

Expansion envelopes are flat, paper envelopes that expand to contain a higher capacity of business documents...  

Expansion envelopes are flat, paper envelopes that expand to contain a higher capacity of business documents such as contracts, reports, CD/DVDs, letters or papers. Many of our expandable envelopes use Conformer technology to provide extra storage without taking up more space.

Custom Printed Conformer Expansion Envelopes

Conformer Expansion Envelopes | Custom Printed from 62¢

Our custom printed expanding envelopes are available in a variety of dimensions, making them perfect for any size item from jumbo to small. Such items include portfolios, presentation folders, legal and letter size documents, and CD/DVD discs. Depending on your purpose, select a side-loading or top-loading envelope in order to provide a completely different experience upon opening. Items are sealed inside the enclosure with tuck tabs or adhesive strips, which are determined by the style you choose.

Customization options are nearly unlimited with more than 60 paper stocks available with four imprint methods—four color process, PMS printing, embossing/debossing, or foil stamping. Surprise recipients with a splash of color inside the envelope by printing on side two or impress them with a combination of foil stamping and embossing for a classy appearance. For extra protection, select one of nine coatings offered.

Popular uses for expansion envelopes include:

  • Attorneys Legal Documents
  • Loan Officers
  • Real Estate Brokers
  • Sample Packets
  • Marketing Agencies
  • Book Publishers
  • Certified Public Accountants (CPA)
  • Travel Agents
  • Luxury Hotels & Resorts
  • Reports
  • White Papers
  • Health Records

Expansion Envelope Printing Options

  • Imprint Methods: Choose from four color process printing, offset PMS printing, foil stamping or embossing
  • Pocket Slits: Free business card slits available for select products
  • Stock Options: Up to 64 paper stocks
  • Foil Stamp Colors: 23 hues to choose from
  • Coating Options: Aqueous, lamination, ultraviolet (UV)

Cost of Custom Expansion Envelopes

The price for printed expansion envelopes is:
Conformer Expansion Envelope Sizes:Price per piece*:Minimum Quantity:
6.5 x 7 (Small) $0.62 250
8 x 9.5 $0.87 250
9x12 (Letter Size) $0.74 250
10x12 $0.74 250
10.5 x 13 $0.74 250
10x15 (Legal Size, Large) $0.74 250

*Based on maximum quantity. Prices may change.

Customization Tips & Ideas

  • Print on side two to surprise recipients with a pop of color inside your envelope.
  • Use a lamination coating for extra durability and protection.
  • An eco-friendly brown Kraft paper stock can hide marks from postal machines and show your commitment to the environment.
  • Don’t limit your design to the front of the envelope. Use the back cover to expand design possibilities.




Items 1 to 9 of 9 total

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16-12-CON Large Conformer® Expanding Folder Mailer Envelope

250 Minimum | Paper
SKU: 16-12-CON | Size: 12 3/4" x 10 1/2"

26-16-CON Conformer® Expandable Small Portfolio Mailer Envelope

250 Minimum | Paper
SKU: 26-16-CON | Size: 9 5/8" x 7 3/8"

16-13-CON Conformer® Expanding Tuck Tab Portfolio Envelope

250 Minimum | Paper
SKU: 16-13-CON | Size: 12 1/4" x 9 3/4"

16-16-CON Legal Size Conformer® Expanding Portfolio Envelope

250 Minimum | Paper
SKU: 16-16-CON | Size: 15" x 10 1/4"

16-11-CON Conformer® Expanding Folder Mailer Envelope

250 Minimum | Paper
SKU: 16-11-CON | Size: 12 1/4" x 9 3/4"

16-14-CON Large Conformer® Expanding Tuck Tab Portfolio Envelope

250 Minimum | Paper
SKU: 16-14-CON | Size: 12 3/4" x 10 1/2"

16-45-CON Legal Size Conformer® Expanding Mailer Envelope

250 Minimum | Paper
SKU: 16-45-CON | Size: 15" x 10 1/4"

16-44-CON Legal Size Conformer® Tuck Tab Portfolio Envelope

250 Minimum | Paper
SKU: 16-44-CON | Size: 15" x 10 1/4"

26-18-CON Conformer® Expanding CD/DVD Mailer Envelope

250 Minimum | Paper
SKU: 26-18-CON | Size: 7 1/8" x 6 1/2"

Items 1 to 9 of 9 total

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