Business Envelope Size and Types

Business Envelope Sizes and Types

  • 10 Regular Envelope ( 4 1/8 x 9 1/2 )
  • 10 Window Envelope ( 4 1/8 x 9 1/2 )
  • 10 Right Side Window ( 4 1/8 x 9 1/2 )
  • 9 Regular Envelope ( 3 7/8 x 8 7/8 )
  • 9 Remittance Envelope ( 3 7/8 x 8 7/8 )
  • 6 1/4 Regular Envelopes ( 3 1/2 x 6 )
  • 6 3/4 Remittance ( 3 5/8 x 6 1/2 )
  • 6 3/4 Regular Envelope ( 3 5/8 x 6 1/2 )
  • 6 x 9 Booklet Envelope ( 6 x 9 )
  • 6 x 9 Catalog Envelope or Open End ( 6 x 9 )
  • 6 x 9 Window Envelopes ( 6 x 9 )
  • 6 x 9 Full Face Window Envelope ( 6 x 9 )
  • 6 1/2 x 9 1/2 Booklet Envelopes ( 6 1/2 x 9 1/2 )
  • 9 x 12 Booklet Envelope ( 9 x 12 )
  • 9 x 12 Catalog Envelope or Open End ( 9 x 12 )
  • 9 x 12 Booklet Window Envelope ( 9 x 12 )
  • 9 x 12 Catalog Window Envelope ( 9 x 12 )
  • 9 x 12 Full Face Window Envelope ( 9 x 12 )
  • 10 x 13 Booklet Envelope ( 10 x 13 )
  • 10 x 13 Catalog Envelope or Open End ( 10 x 13 )
  • 11 Regular Envelopes ( 4 1/2 x 10 3/8 )
  • Double Window Invoice Envelope ( 4 1/8 x 9 1/8 )
  • 5 1/2 x 7 1/2 Booklet Envelope ( 5 1/2 x 7 1/2 )
  • 6 1/4 Remittance Envelope ( 3 1/2 x 6 )

A Little More on Business Envelopes

This list is the most common type of business envelopes. Most of the envelopes above can have subcategories attached to them, offering more types for that size of envelopes, such as paper type, color, seal, and flap, to name a few.

Envelope tint would be a subcategory to the list above. You can order your envelopes in a variety of security tint, including custom-designed tint. I have seen companies use their logo in a repetitive pattern for their business envelopes’ inside tint.

Flap sealing is a subcategory to a business envelope. Gummed, split gum, and peel & seal are three different types of sealing options.

The type of flap is a subcategory for business envelopes. There are deep flaps, diagonal flaps, and straight flaps. If you are doing a bulk direct mail, regular flaps are typically your best bet. Wedding invites will usually use a bigger flap as well as bulky types of mailing.

There is a wide variety of windowed business envelopes—regular #10 window, which is widely used for business mailing and bulk mailing and typically will be used for envelope address printing. There is a right-hand window, full-view window, left-hand window, double windows, and so on.

The list of types and sizes of envelopes can go on for what seems like an eternity. On top of this list, you can have a custom envelope made. However, there are only a few companies that can offer this in-house. When shopping around, make sure that you ask if the conversion is done in-house or do they outsource. Converting envelopes isn’t cheap, and you aren’t going to want to pay extra for a middle man. Spend a little time and find the source of the conversion.

Where not to buy printed business envelopes?


The place you aren’t going to want to buy your printed envelopes is print copy centers, or smaller copy centers. These places are typically in the business to print flat sheets and usually require a different printing press type.

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