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#10 Envelope template

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Customize and download the blank #10 envelope template. Perfect for formal business occasions such as sending invoices and statements. Free for commercial use!

#10 Envelope template

Customize and download the blank #10 envelope template. Perfect for formal business occasions such as sending invoices and statements. Free for commercial use!

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Designing your #10 envelopes has never been easier!

The #10 envelope template is an essential tool for businesses and individuals who frequently send letters, invoices, or promotional mail. With its standardized size, professional look, and wide applications, the #10 envelope remains the most popular mailing option today. 

Designing a #10 envelope has never been easier, thanks to Pacdora—an all-in-one online packaging and envelope design platform. Whether you're a business looking for branded envelopes or an individual wanting a personalized touch, Pacdora’s intuitive dieline generator makes the process seamless and efficient.

Features of #10 envelope

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What is a #10 envelope?

A #10 envelope is a standard-sized envelope widely used in business communication. It measures 9 1/2" x 4 1/8" (or 241.3 mm x 104.8 mm), making it ideal for holding standard letter-sized documents folded into thirds.

The #10 envelope has a long history and remains a staple in business communication due to its practical size and versatility. 

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How did the #10 envelope get its name?

The #10 envelope got its name from a standardization system developed by William Irwin Martin in the 1870s. Martin, who worked for Samuel Raynor & Company in New York City, created a numerical classification system for envelope sizes to bring consistency to the industry.

Before Martin's system, envelope manufacturers used various sizes and labels, leading to confusion and inconsistencies across the industry.

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What #10 envelopes are typically used for?

The #10 envelope is commonly used for sending invoices, contracts, formal letters, and statements. It is also popular for direct mail campaigns, as it can easily accommodate promotional materials and response cards.

Additionally, the #10 window envelope, featuring a transparent window, is particularly useful for mailing items with pre-printed addresses, such as billing statements and paychecks.

How to create a printable envelope template?

How to create a printable envelope template?
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Interesting facts about #10 envelopes

1. Historical origins

The #10 envelope gained popularity in the early 20th century, becoming the standard for business communication. It was designed to fit standard U.S. letter-sized paper folded into thirds (trifold), optimizing postage efficiency.

2. Used in the first airmail letters

In the 1920s, the U.S. Postal Service used #10 envelopes for early airmail correspondence, as they were lightweight and easy to handle.

3. Eco-friendly trends

With increasing concerns about sustainability, many companies now use recycled paper #10 envelopes, reducing waste while maintaining professionalism.

Our customers love Pacdora’s box template tools

Thousands before you have customized dieline templates with Pacdora and loved it.

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Harold Muniz Ortiz

Pacdora has saved me so much time as a designer. I've been able to focus on designing, rather than dealing with dielines. The best feature is the easy customization of the templates to fit your packaging needs and the 3D renders that clearly show what the product will look like.

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AM

I'm a graphic design student and find Pacdora extremely helpful when mocking up projects. The convenience of Pacdora allows me to spend more time on designing rather than figuring out all the technical nuances in building dielines. Highly recommend Pacdora.

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FAQ

What is the difference between a #10 and a #9 envelope?

A #9 envelope (3.875” x 8.875”) is slightly smaller than a #10 envelope and is often used as a return envelope inside a #10 envelope for business replies and payments.

Are #10 envelopes used internationally?

While #10 envelopes are standard in the U.S., other countries use different envelope sizes. For example, the DL envelope (110mm x 220mm) is commonly used in Europe, which is slightly shorter and narrower than a #10 envelope.

What is a printable envelope template?

A printable envelope template is a pre-designed layout that allows you to customize and print envelopes. It provides the structure, size, and fold lines, so you can easily create professional-looking envelopes with your own designs.

What size paper fits inside a #10 envelope?

A #10 envelope is designed to fit letter-sized paper (8.5” x 11”) when folded into thirds (tri-fold). This makes it perfect for business letters and official documents.

Where can I find free printable #10 envelope templates?

You can find free #10 envelope templates online through design platforms like Canva, Pacdora, and Microsoft Word. Visit our pricing page for more advanced templates and features.

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Embark on your exciting #10 envelope template creation adventure

Create a #10 envelope template
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