Features


#10 Envelopes: The Business Envelope That Means Business

#10 envelopes are the workhorse of modern mailrooms. They’re professional, dependable, and universally recognized. Designed to fit standard 8.5” x 11” trifold letters, they’re ideal for invoices, contracts, statements, or direct mail campaigns. Whether you’re sending hundreds of documents daily or keeping your office stocked with branded stationery, these envelopes deliver reliability with a polished look.


Sized for Efficiency. Built for Business.


Custom Sizes

Universal Size

Fits trifold 8.5" x 11" sheets perfectly—no folding guesswork, no awkward fits.

Premium Paper Stock

Optional Window

Choose between standard or windowed versions to display printed addresses and streamline mailing.

Flexible Quantity

Mailer-Friendly Paper

Available in 24 lb. and 70 lb. paper stocks. Both compatible with mailing equipment and easy to print on.

Custom #10 Envelopes That Match Your Business Identity


Whether you’re streamlining operations or promoting your brand, our #10 envelopes offer flexibility for any need: 

  

Two Printing Options 

  • 1-color printing on 24 lb. white paper with pointed flap — choose from black, reflex blue, or standard red ink. 
  • Full-color printing on 70 lb. uncoated white paper with commercial or square flap options. 

 

Flap Styles & Seams 

Choose between pointed or square flaps and side seams for the professional look. 

  

With or Without Window 

Windowed options are perfect for address visibility and mailing automation. No window? Great for personalized or private content. 

  

Flexible Order Quantities 

Print anywhere from 250 to 100,000 envelopes, with turnaround options as fast as 2–3 business days for 1-color printing. 





#10 Envelopes FAQs

Q: What size paper fits inside a #10 envelope?
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