A personalised mermaid theme birthday invitation video with an under the sea feel. A giant clam opens to reveal a mermaid with her fish friend, who reads your invitation and brings a birthday cake on her rock. Ready to share on WhatsApp within 48 hours.
Under the sea birthday invitation: key details
- Theme: Mermaid, clam shell and seabed
- Best for: Girls’ birthdays, mermaid and under the sea themes
- Style: Silver, with one personalised scene featuring your child
- Format: Vertical 9:16 video, ready for WhatsApp, Instagram Stories and Status
- Personalised with: Child’s name and age, date and time, venue and address, and an RSVP contact
- Delivery: Within 48 hours
Frequently asked questions
Can I send this mermaid theme invitation on WhatsApp?
Yes. You receive an MP4 video sized for phones, so it plays full-screen on WhatsApp, Status and Instagram.
Can my child appear in the video?
Yes. Silver style includes one personalised scene featuring your child. Gold adds a second scene, and Platinum adds 3–4 scenes with a voiceover. Compare styles →
Who makes the video?
Our designers personalise every invitation and check every scene before it’s delivered.






















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