Wedding Invitation Envelope Advice

Do I have to pay extra postage for my wedding invitation?

As of this writing, any envelope that is larger than 6 1/8" x 11 1/2" will require additional postage. Keep this in mind when selecting your wedding invitation size and corresponding envelope. Also note that some non-standard envelopes, such as square envelopes require additional postage. We encourage you to check out the postage regulations yourself in case there have been any changes at


What is the size of a standard wedding invite envelope?

Wedding invitation envelopes come in a wide range of sizes. We recommend A6 for wedding invitations. However, all the other sizes work just as well. Most wedding invitation envelopes are announcement style envelopes - these have a square verses pointy flap. In the chart below are the sizes of announcement envelopes.

Envelope Size

Envelope Dimension

Wedding Invitation Dimension


4.375" x 5.75"

4.25" x 5.5"


4.75" x 6.5"

4.625" x 6.25"


5.25" x 7.25"

5" x 7"


5.5" x 8.125"

5.25" x 7.75"


5.75" x 8.875"

5.5" x 8.625"


6" x 9.5"

5.75" x 9.25"


Where can I get wedding invitation envelopes?

Below are some links to stores that carry announcement style envelopes that can be used for wedding invitations. Generally envelopes come in boxes of 250.

The Paper Mill Store
One of our favorite stores in The Paper Mill Store. In their search bar you can type in the envelope size (ie. A6) and you should get a wide range envelope colors from which to choose.

The other great thing about The Paper Mill Store is that once you select the envelope you like, generally, if you scroll down to the bottom of the page, it will have the matching papers displayed.

Kelly Paper or Xpedx
Kelly Paper and Xpedx are warehouse type stores that are full of paper. It is these type of stores, that a lot of local printers purchase their envelopes. You can search for envelopes on their websites. Even better, if a store is local to you, you can go to their warehouse when they are open to the public and talk to their sales staff. Just tell them what you are looking for and they should be able show you what they have in stock. You will actually get to look at and feel the envelope before you buy it. These type of stores also sell paper and the sales representative can also assist you with finding a paper / envelope match.

Neenah Paper
This is a popular paper manufacture that you can purchase envelopes directly from their website. You can search for paper and envelopes on their website using their search bar.

One great thing about Neenah paper is that you can order samples of paper, generally for free - although you do have to pay for the shipping. The samples are a great way to make sure you like the look and feel of the envelope before ordering an entire pack.

Your Local Printer
Your local printer may have a house stock of envelopes. Local printers are a good resource and may be able to get you your wedding invitation paper for cheaper than ordering online.

Hobby / Craft Stores
Popular hobby and crafts stores such as Hobby Lobby, Michaels, and JoAnn Fabric and Craft Stores generally carry a stock of blank paper and wedding invitation kits. The wedding invitation kits in particular can be great for the person who wants to make their wedding invitation themselves. In general, the kits come pre-cut with some sort of embellishment on them. They also come with the matching envelopes. Before purchasing the kit though, make sure you printer can handle the thickness of the paper and size of the invitation.


What is an outer envelope versus an inner envelope?

Traditionally, an outer envelope is used for the postal address and an inner envelope for hand writing the names of whom are invited. Outer envelopes are a traditional part of wedding invitation sets, but are not required. Learn more about outer and inner envelopes.