Free DIY Self Mailing – Folding Invitations Template

For Peanuts birthday I went all out and created a great Sunshine and Fun theme. So I had to have an amazing invitation to go with the amazing 1st birthday party I was planning. I wanted to cut down on the cost so I created a self-mailing folded invitation. I got my inspiration on Pinterest of course, I downloaded some fun fonts and started designing.

The design is in landscape so that the envelope it ups up naturally in a reading format. You need to design the full page so it’s not just white space on the sides that surround it. Self Mailing - Folding Invitations


You’ll notice the black lines in the corners on the template. These are your cut lines. Self Mailing - Folding Invitations


After you cut the corners off you need to score the edges that you need to fold. This ensures that you have a perfectly straight and clean fold. I used the back of an extremely duo Exacto knife. You can use a butter knife or a scoring knife as well. Make sure you use a ruler as well to keep you on track. Self Mailing - Folding Invitations


Start to fold your edges down and use something hard to press them down. Self Mailing - Folding Invitations


I started with the smaller pieces because they will be in the inside of the fold when you finish.Self Mailing - Folding Invitations


Then fold the sides in to complete the envelope shape. Self Mailing - Folding Invitations


You’re invitation should look like the above picture. Self Mailing - Folding Invitations

I was able to place a piece of 5X7 paper, a small self-addressed envelope and a letter inside the invitation for the out of town guests that I know wouldn’t be able to attend the party in person. (We did a scrap book of notes to Peanut). Place your RSVP returns right inside the invitation before you start to glue the sides. Self Mailing - Folding Invitations


Use picture adhesive glue that is resealable. You want your guest to be able to open the invitation when they receive it without tearing it in half. Place the glue on both of the smaller edges. then fold on side piece onto it. Fold the other side piece over to see how much of an overlap you have. Place a little glue on this area to keep the last piece in place. 

Self Mailing - Folding Invitations

For the final touch, seal your invitation with an envelope sticker. If you get all fancy and use wax on your envelope just remember you are paying more in postage because they cannot go through the letter sorting machine. If your glue isn’t holding up on the inside ( I wouldn’t recommend the Staples kind) you can simply place a tiny piece of tape on the sides to ensure nothing falls out during its journey.

Everyone complimented on how cute and clever the design was. It was very simple to make.

This template is in PSD (Photoshop form)

Download the template for the Self Mailing / Folding Invitation template here

See the full Sunshine and Lemonade party.

Meghan Cooper
Meghan Cooper
Meghan Cooper is a writer, content creator, movie critic, and geek living in Atlanta, Ga. She loves movies, traveling, and lots of coffee. Member of the Southeastern Film Critics Association, Georgia Film Critics Association, and Atlanta Film Critics Circle.


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  1. That is a great idea and it looks beautiful. I would probably mess it up because I’m not very good at those things, but if you are, definitely do it.

  2. I like the idea of this invitation, I actually can do it by myself. Thank you for this great inspiration, I love it.


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