Dive into a magical birthday celebration with our Mermaid - Themed Happy Birthday Decorations Set! Perfect for ocean enthusiasts of all ages, this all - in - one kit transforms any space into an enchanting under - the - sea paradise. The set boasts a stunning mermaid - printed backdrop (150cm×100cm) that serves as a captivating centerpiece, paired with a matching “Happy Birthday” banner to announce the festive occasion. It also includes 2 unique foil balloons (shell and mermaid tail shapes), 20 colorful balloons in ocean - inspired hues, and 6 fluffy paper pom - poms to fill the room with vibrant, aquatic energy.