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9 x 12 Envelopes

9" x 12" envelopes are ideal for delivering your letter-size materials flat. They are constructed from 24 lb. white, first-class green diamond or brown kraft. Choose from gum seal or Peel & Seel® envelope closures. Custom printed 9 x 12 envelopes and blank large envelopes available.


Looking to mail your custom folders? 

Standard 9 x 12 Folders use 9.5" x 12.5" Envelopes ,  while Expansion Folders require 10" x 13 Envelopes

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0.63 0.70 0.63 USD
10% Off
0.81 0.90 0.81 USD
10% Off
0.35 0.35000000000000003 USD
0% Off
0.63 0.70 0.63 USD
10% Off
0.35 0.35000000000000003 USD
0% Off

Custom Printed 9 x 12 Envelopes for Every Business


Printed 9 x 12 envelopes are the perfect way to send out your large documents in a professional and stylish way. They are large enough to fit a lot of information, but not so large that they are bulky or difficult to handle. Just add your imprint to our custom 9 x 12 envelopes. You can choose to have your return address; company logo, name, and contact information, printed on them, or create an all-over design. Just send us your files and our graphic designers will take it from there.


  • Printed 9 x 12 envelopes allow you to send materials without folding; marketing materials, catalogs, contracts, photographs, and important letters

  • These custom large envelopes can be use as a return address envelope inside our 10 x 13 envelopes.

  • Professionally printed to your specifications. Your company logo printed in 1 ink color to full color.

  • Standard large envelopes will open on the short side (9”), and the booklet envelopes will open on the long side (12”)

  • Hold up to 60-page, letter-size documents

  • Our 9 x 12 envelopes are made with 28lb., white wove paper, and 28lb. brown kraft. The standard weight for envelopes, great for everyday business.

What Can I Use a 9 x 12 Envelope For?

9 x 12 envelopes are useful for workplaces, home offices and anywhere mailing, storing or organizing documents is needed.

  • Mailing: Sized perfectly to fit standard paper without creasing or folding it, these envelopes are the best option for sending invitations, announcements, marketing materials, catalogs, contracts, photographs, and more, that must be adequately protected during transit.

  • Storage: Use 9 x 12 envelopes to store letter-size paperwork, custom brochures, reports, certificates or even catalogs. They provide an extra level of protection while sorting or moving papers, thereby decreasing the number of folds or creases.

  • Organization: Using 9 x 12 envelopes also allows you to keep documents together in storage systems or file cabinets without stapling them or using a clip or fastener such as a paperclip, which both have the potential to damage or otherwise wrinkle the paper.

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