Get your mermaid tail sparkling and gather your fishy friends to celebrate your birthday with this sweet ‘Under the Sea’ kids birthday invitation design by local designer Erin Cornford. This cute design works perfectly as a mermaid birthday invitation, beach birthday invitation or under the sea birthday invitation. It could even be a fantasy or fairytale birthday invitation, for little kids who love all things magical and mythical. Whether you’re having a completely themed party, or just looking for cute invitations, this invitation is sure to thrill. Birthday Invitations - Metallic