To get your mermaid party invitations, ... Mermaid Birthday Party Invitation 8.5 x 11 (x2) To see an example of how these are filled out, you can take a look at the 5×7 example above.

Here's what it stands for and examples to use it on your invitations. Olivia Munson. USA TODAY. Have you ever been invited to a party and were asked to RSVP by a certain date?