9x12 Envelopes | Catalog & Booklet - Self Seal & Clasp


Order 9x12 Envelopes and get FREE shipping! Great for mailing catalogs, magazines, calendars, presentation folders or stacks of 8 1/2 x 11 documents. Pick from a variety of styles including catalog (open-end), booklet (open-side), self seal or clasp closure products. Whatever your need, we offer an envelope that gets the job done. Show your recipients their privacy is important and order 9x12 security envelopes featuring an inside security tint. This will protect mail contents from being read through a sealed envelope. If you would like to display pre-printed information to your recipient, order 9x12 Window envelopes with a transparent Poly-film window. We offer various colored envelopes including blue, green, gray, pink and pastel options.

We offer products with closure options that suit your needs. 9x12 Clasp envelopes are useful for repeated interoffice communication and storage. Keep files organized and easy to access. Save time when stuffing envelopes and order 9x12 envelopes with a self seal. These products have a Peel and Seal adhesive strip so sealing envelopes is fast and convenient. If you would like to personalize your order, add custom logos, contact information, forms or original artwork. See a PDF proof before printing so we can ensure we are creating a product you will love. We offer rush and expedited shipping options so you can get your envelopes in your hands, right when you need them.


9x12 Catalog Envelopes

9x12 Booklet Envelopes

9x12 Clasp Envelopes

9x12 Manila Envelopes

9x12 Window Envelopes


Large Envelopes

Mail or ship large sized documents, calendars, catalogs or presentation folders in perfectly-sized envelopes! Choose from 6x9, 6 1/2 x 9 1/2, 9x12, 9 1/2 x 12 1/2, and 10x13 sizes. We offer Tyvek and Manila styles as well as colored options. Shop Large Envelopes.


Custom 9x12 Envelopes

Looking for custom printed envelopes? We can add logos, forms, contact information or original designs directly onto your order. Pick from a variety of styles including catalog, booklet, self seal and clasp. Shop Custom 9x12 Envelopes.


Not finding what you need? Have a question about a printed order? We would love to see if we can make your order - and life - a little bit easier.


9x12 Envelopes Size Guidelines

Not sure what size you need? Check out our large envelopes size guide to find the perfect size envelope for your mailing needs.

  • 6x9 - Fits 5 7/8 x 8 7/8 insert, or an 8 1/2 x 11 piece of paper folded in half.
  • 6 1/2 x 9 1/2 - Fits up to 6 1/4 x 9 1/4. Provides extra room for bulkier 6x9 items.
  • 6x10 - Protect small items, jewelry, or parts during the shipping process.
  • 8 3/4 x 11 1/4 - Ideal for mailing standard size (8 1/2 x 11) documents.
  • 9 x 11 1/2 - Perfect for mailing larger stacks of standard (8 1/2 x 11) documents.
  • 9x12 - Fits 8 7/8 x 11 7/8 insert, or several standard 8 1/2 x 11 sheets of paper.
  • 9 1/2 x 14 1/2 - Protect books, electronics, and other fragile items in transit.
  • 10x13 - Fits a 9 3/4 x 12 3/4 insert, a standard presentation folder, or larger catalogs / booklets.

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