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?

Size. Color. Material. It's all here, and more.

3 Paper/Stock Options

#10 envelope templates.

Save time by using our free templates. Our templates have been setup with proper bleeds and margins, assuring your print job turns out accurate. To download, select a file type and click on the size below.
Reviews

Reviews. See what our customers say.

Reviews for #10 Envelopes
4.3
Out of 5.0
  • 5 Star
    (73)
  • 4 Star
    (10)
  • 3 Star
    (7)
  • 2 Star
    (3)
  • 1 Star
    (10)
Overall Rating
81%
of customers that buy this product give it a 4 or 5-Star rating.
Great value on envelopes.
Verified buyer
August 4, 2024 by Tony Debellis ( TX )
“Great value on envelopes. Didn't get to see finished product, but customer was happy”
Best Print Provider
Verified buyer
May 22, 2024 by Jan Wilson ( GA )
“UPrinting has been our goto source for years. Service is always dependable and orders to specifications. if there is an error on our end they don't just print and place blame on he customer. They always fix issues before your order leaves the ship.”
Process was easy,...
Verified buyer
March 18, 2024 by Amanda Phillips ( CA )
“Process was easy, final product nice and shipping was fast.”
Envelopes quick, affordable, quality just right.
Verified buyer
November 15, 2023 by Robert Benedict ( TX )
“Fast, affordable, good quality, just right. My design was quite plane so not really worth a photo. Ha.”
Product looks good...
Verified buyer
July 19, 2023 by Nicole Orellana ( CA )
“Product looks good and overall quality is nice. Price was median -- not overly expensive but not the cheapest. With that being said, I will probably order from them again in the future.”
Printing Cost:
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