Mermaid Birthday Party Invitations 2016-07-17 | Lei Pick out the best mermaid birthday party invitations from our wide variety of printable templates you can freely customize to match any party theme. Also read: Free Birthday Invitation Designs Related posts:Free Christmas Letter Border TemplatesSoccer Birthday Invitation TemplatesZebra Print Birthday Invitations Blank PrintableSlumber Party Invitations BlankZebra Print Slumber Party FavorsSafety Lunch Invite Templates In Party