Custom Business Envelopes

Custom Business Envelopes

Quick check before you browse:

Add your logo to a standard envelope

Choose from common sizes and window styles, then personalize with your logo and return address.

Choose from different sizes, windows, and features

Choose from different sizes, window styles, sealing options, and security tint.

Need something built for your exact specs?

If you need a custom size, window placement, or unique format, we can create it for you.

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Custom business envelopes help you send mail in a way that fits your business. You can add your logo and return address, choose the right size for the documents you send, and select features that make your mail look more professional, stay more secure, and move through your workflow more easily.

Branding

Add a logo and return address

Add your company logo and return address to standard business envelopes for a professional, consistent look.

Dimensions

Choose the size based on what you’re mailing

Choose from standard formats like #10 Standard (most popular option), #9 (standard for reply mail), and 6x9 (common for marketing and direct mail) to perfectly match your document requirements.

Functionality

Choose features based on how your mail needs to function

Choose from options including self-seal closure (no moisture needed), security tint (keeps content private), and window placement (shows recipient address, great for high volume business mailing).

Made for you

Need a fully custom business envelope?

If you need a custom size, window placement, or unique format, we can create it for you.

How to Choose the Right Custom Business Envelope

Most business envelope orders come down to one question: what are you actually trying to solve?
Some businesses need a standard envelope with their logo, others need the right size, and some need specific features for security or speed.

Start with the reason you are ordering.

Branded Envelope
Identity

Add a logo and return address if you want a branded, professional look

Choose this option when a standard business envelope already works for your mailing, but you want it to represent your company more clearly.

This is the right fit if you:

  • send everyday business mail
  • want a more professional, consistent appearance
  • want clients to recognize your company right away
  • do not need a special format, just branded printing

Summary: The simplest way to make envelopes feel custom without changing the envelope itself.

Envelope Sizes
Fit & Function

Choose envelope sizes based on what you are mailing

Choose this option when the main decision is not branding, but fit. The right size depends on the document type, fold, and how you want it to arrive.

Common examples include:

  • #10 envelopes for standard business letters and invoices
  • #9 envelopes for business reply mail
  • 6 x 9 envelopes for folded marketing pieces or inserts
  • larger formats for flat documents or thicker contents

Summary: If the document drives the decision, size usually comes first.

Envelope Features
Utility & Workflow

Choose essential features based on how your mail functions

Choose this option when the envelope needs to support how your mail is prepared, protected, and delivered.

Common examples include:

  • self-seal closure for faster packing and easier handling
  • security tint for private or sensitive information
  • window placement for invoices and statements

Summary: If processing speed, privacy, or workflow matters, features make the biggest difference.

How to Choose the Right Business Envelope Size

Envelope size usually depends on one simple question: what are you mailing, and how do you want it to fit inside?

Some businesses need a standard envelope for everyday letters, while others need a format that fits reply mail, folded inserts, catalogs, or flat documents. Once you match the envelope to the contents, the right size becomes much easier to choose.

Standard Choice

#10 Envelopes

The standard choice for everyday business mail. Fits 8.5" x 11" paper folded into thirds.

Reply Mail

#9 Envelopes

Often used for return mail. Designed to fit perfectly inside a larger #10 envelope.

Compact & Versatile

6" x 9" Envelopes

Ideal for folded brochures, booklets, and thicker marketing inserts.

Large & Flat

9" x 12" Envelopes

Best for contracts and presentations that should stay smooth and unfolded.

Choose Features Based on How You Mail

Once you know what size you need, the next step is choosing features that support the way your business sends mail. The best choice usually depends on what you send, who you send it to, and how often you mail.

Security Tint Pattern close-up

Security Tint

Prevents sensitive contents from being visible through the paper.

Commonly used for:
  • Invoices & billing statements
  • Payroll & check mailings
  • Financial & confidential notices
If your mailing includes details the recipient should see, but no one else should, security tint is the right choice.
Window Envelope close-up showing transparency

Window Envelopes

Allows the address printed on the document inside to show through.

Commonly used for:
  • Invoices & Statements
  • Tax documents & Checks
  • High-volume recurring mail
Perfect when your documents follow a consistent layout and you want to streamline your addressing process.
Self-Seal strip close-up

Self-Seal Envelopes

Moisture-free adhesive for fast packing without sponges.

Commonly used for:
  • Routine daily office mail
  • Large-scale mailing runs
  • Teams speeding up fulfillment
If your team wants to save time during packing and prefers a more convenient seal, this is the best option.
Printed company logo close-up

Printed Logo & Address

Branding printed directly on the stock for a professional appearance.

Commonly used for:
  • Client & legal correspondence
  • Healthcare & service practices
  • Consistent brand appearances
If you want recipients to recognize your business right away and trust the mail they receive, start here.

Find the Custom Business Envelope That Fits Your Needs

Now that you have a better sense of what your business needs, you can browse envelope options with more confidence.

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Frequently Asked Questions

What makes a business envelope custom?

A custom business envelope is any envelope tailored to fit the way your business sends mail. That can include printed branding, the right size for your documents, useful features like windows or security tint, or a fully customized format built around a specific mailing need.

How do I know if a standard envelope will work?

A standard envelope usually works if you are mailing common business documents like letters, invoices, or statements and only need to add branding, choose the right size, or select a feature such as self-seal or security tint. If your mailing requires a specific layout, window placement, or special format, a more customized option may be a better fit.

Which envelope features do businesses use most often?

Many businesses choose features based on how they mail. Window envelopes work well for invoices and statements, security tint helps protect private information, and self-seal closures make everyday mailing faster and easier.

When should I choose a fully customized envelope?

A fully customized envelope makes sense when standard options do not quite match your needs. For example, you may need a specific window placement, a certain seal type, extra privacy, or a custom printed design that supports a unique document or workflow.

Find the Right Custom Business Envelope for Your Business

Whether you need a standard envelope with branded printing, the right size for your documents, useful mailing features, or a fully customized format, the best option starts with what your business needs to send.