Custom Envelopes | Custom Business Envelopes in Many Colors, Styles, and Sizes

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Order Custom Envelopes and get FREE shipping! Use these envelopes to mail letters, checks, important documents, brochures, and more. Personalize your Custom Business Envelopes with your logo, return address, or custom design. Great for all regular business mailing. We have a large selection of business envelopes available that we can add your logo and return address to. Upload your design, or add text and images right on our site. A PDF proof will be sent before we begin production.

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We want to make sure you're getting exactly what you need! We also offer large envelopes that can be used to mail catalogs, booklets, calendars, magazines, marketing and advertising materials, and more. The 9x12 size is perfect for mailing a standard size document that cannot be folded. The 6x9 size is ideal for slightly larger stacks that won't fit inside your standard #10 size envelope. We have security tint envelopes, window envelopes, and self seal envelopes available too. The No 10 Envelope is the most standard size business envelope, but we have both larger and smaller options that can be used for your exact needs.

Custom Business Envelopes

PRINTED - #6 1/4 Regular Envelope - 24# White (3 1/2 x 6)

PRINTED - 6 1/4 Regular Envelope - 24# White

PRINTED - Custom 6 3/4 Security Envelopes (3 5/8 x 6 1/2) - 24# | 6 3/4 Envelopes - E338

PRINTED - Custom 6 3/4 Security Envelopes (3 5/8 x 6 1/2) - 24# | 6 3/4 Envelopes - E338

PRINTED - 6 3/4 Envelope Printing | White | Payment Envelopes - E324

PRINTED - 6 3/4 Envelope Printing - 3 5/8 x 6 1/2 | White - E324

PRINTED - Custom 6 3/4 Window Envelopes (3 5/8 x 6 1/2) | Payment Envelopes - E775

PRINTED - Custom 6 3/4 Window Envelopes (3 5/8 x 6 1/2) | Payment Envelopes - E775

Custom #9 Window Envelopes | Window Envelopes - E304

Custom #9 Window Envelopes -Tinted - 24# White

PRINTED - Custom #10 Security Window Envelopes - #10 - 24# | White - Window Envelopes - E283

PRINTED - Custom #10 Security Window Envelopes - #10 - 24# | White - E283

PRINTED - Custom Self Seal #9 Envelopes (3 7/8 x 8 7/8) - 24# | Self Seal Envelopes - E1214

PRINTED - Custom Self Seal #9 Envelopes (3 7/8 x 8 7/8) - 24# | Self Seal Envelopes - E1214

Custom #10 Envelopes | Custom Business Envelopes | White | E287

CUSTOM - #10 Regular Envelope - 24# White

PRINTED - Custom #10 Security Simple Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Envelopes - E1216

PRINTED - Custom #10 Security Simple Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Envelopes - E1216

PRINTED Custom #10 Single Window Envelopes | Business Envelopes - E289

PRINTED Custom #10 Single Window Envelopes - 24# White

PRINTED - Custom #10 Window Simple Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Window Envelopes - E860

PRINTED - Custom #10 Window Simple Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Window Envelopes - E860

PRINTED - Custom Self Seal Security No 10 Window Envelopes (4 1/8 x 9 1/2) | #10 Envelopes - E1192

PRINTED - Custom Self Seal Security No 10 Window Envelopes (4 1/8 x 9 1/2) | #10 Envelopes - E1192

PRINTED - #10 Custom Self Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Envelopes - E301

PRINTED - #10 Custom Self Seal Envelopes (4 1/8 x 9 1/2) - 24# | No 10 Envelopes - E301

PRINTED - Custom #10 Self Seal Security Envelopes (4 1/8 x 9 1/2) - 24# | Custom Business Envelopes - E1382

PRINTED - Custom #10 Self Seal Security Envelopes (4 1/8 x 9 1/2) - 24# | Custom Business Envelopes - E1382

PRINTED - Custom #10 Pastel Green Envelopes - 4 1/8 x 9 1/2 - 24# | Custom Business Envelopes |  E331

PRINTED - Custom #10 Pastel Green Envelopes - 4 1/8 x 9 1/2 - 24# | E331

PRINTED - #7 Custom Coin Envelopes (3 1/2 x 6 1/2) - 24# | Custom Coin Envelopes - E780

PRINTED - #7 Custom Coin Envelopes (3 1/2 x 6 1/2) - 24# | Custom Coin Envelopes - E780

PRINTED - Custom White 6x9 Booklet Envelopes - 24# | Booklet - 6x9 Envelopes - E303

PRINTED - Custom White 6x9 Booklet Envelopes - 24# | Booklet - 6x9 Envelopes - E303

PRINTED - Custom 9x12 Self Seal Envelopes - 28# | White - 9x12 Envelopes - E801

PRINTED - Custom 9x12 Self Seal Envelopes - 28# | White - 9x12 Envelopes - E801

Custom 9x12 Envelopes | 9x12 Envelope Printing - E305

PRINTED - 9 x 12 Catalog Envelope - 28# White

PRINTED - Custom #5 1/2 Coin Envelopes (3 1/8 x 5 1/2) - 28# | Manila Coin Envelopes - E678

PRINTED - Custom #5 1/2 Coin Envelopes (3 1/8 x 5 1/2) - 28# | Manila Coin Envelopes - E678

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Custom Business Envelopes

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Custom No 10 Envelopes

Need to add your return address, logo, or personalized design to your #10 envelope? Check out our selection of #10 envelopes that we can print for you! We have many colors and styles to choose from. With security tints and self seals, we have exactly what you need. Shop Custom No 10 Envelopes.

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Custom Window Envelopes

Mailing checks? Custom Window Envelopes are perfect for mailing any insert that has a pre-printed mailing address. They're also great for allowing your recipient's a glimpse into the envelope before opening. Save time spent addressing envelopes and use window envelopes instead. Shop Custom Window Envelopes.

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Custom Security Envelopes

Mailing checks or important documents with private information? These envelopes have a security tint that will help conceal any handwritten or printed private information. Keep your information safe.


Shop Custom Security Envelopes.

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Check Envelopes

Need to mail checks? These envelopes have security tints and windows. This will allow the pre-printed mailing address to show through without needing to print the outside of the envelope. The security tint will help conceal the private information the check contains. Select the check envelope you like, then select the Printed option to add your logo or return address. Shop Check Envelopes.

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Custom Large Envelopes

Need to mail catalogs, booklets, brochures, calendars, documents, and more? Custom large envelopes would work perfectly. The 9x12 size fits standard size documents without folding, while the 6x9 size is great for when your insert is too bulky for a standard #10 envelope.

Shop Custom Large Envelopes.

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Custom 9x12 Envelopes

Looking for customized 9x12 envelopes? We have a large selection of colors and styles available that would work great for your next project or everyday mailing. Mail standard size documents (8 1/2 x 11) without needing to fold, bend, or crease your items.

Shop Custom 9x12 Envelopes.

NEED HELP?

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.

Custom Envelopes Size Guide

Not sure what size you need? Our Custom Business envelopes come in a variety of popular sizes and styles. The most popular size business envelopes are the #9 and #10 envelopes. The #10 envelope is the standard envelope used for mailing an 8 1/2 x 11 document folded in thirds.

  • #6 1/2 - (3 1/2 x 6 1/4) Fits a personal check, plus a small insert - up to 3x6.
  • #6 3/4 - (3 5/8 x 6 1/2) Fits a personal check, plus a small insert - up to 3 1/2 x 6 1/4.
  • #7 3/4 - (3 7/8 x 7 1/2) Standard small envelope, most commonly used for personal checks.
  • #8 5/8 - (3 5/8 x 8 5/8) Can be used as a return envelope. Common for smaller checks.
  • #9 - (3 7/8 x 8 7/8) Return envelope. Fits comfortably inside a standard #10 envelope.
  • #10 - (4 1/8 x 9 1/2) Standard business envelope. Fits an 8 1/2 x 11 piece of paper folded in thirds.
  • #11 - (4 1/2 x 10 3/8) Larger than a standard envelopes. Can fit a #10 envelope, plus a document.
  • #12 - (4 3/4 x 11) Most commonly used for mailing larger documents, along with a #10 envelope.
  • #14 - (5 x 11 1/2) Often used for mailing folded larger documents. Can accommodate a #12 envelope.
  • 6x9 - Fits 5 7/8 x 8 7/8 insert, or an 8 1/2 x 11 piece of paper folded.
  • 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 standard 8 1/2 x 11 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. Ideal for sending presentation folders.

What custom business envelope style is best for you? Here are the most popular styles:

  • Check Envelopes - Standard #10 window or double window. Used for business checks or statements.
  • Security Envelopes - These envelopes have an inside tint, designed to obscure enclosed information.
  • Double Window Envelopes - Used for mailing checks. Can be used for mailing Quickbooks checks.
  • Payment Envelopes - Smaller than a standard envelope. Often included when mailing a #10 envelope.

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