“One-der the Sea” Mermaid First Birthday Party Invitation

Welcome little ones to a magical undersea celebration with this “One-der the Sea” Mermaid First Birthday Invitation! Printed on luxurious 5″×7″ matte cardstock, it showcases an adorable teal-and-coral mermaid surrounded by shells, coral, and bubbles. Customize with your child’s name, “One-der the Sea!” headline, date, time, and location in elegant script and sans-serif type. Each invite arrives ready to mail with a matching envelope—perfect for setting a whimsical, memorable tone for a seaside-inspired first-birthday bash!