Celebrate your Super Sister's birthday with this Peppa Pig birthday card that features Peppa dressed up as a mermaid. The front of the card is filled with an under-the-sea scene and includes the caption, 'You're Mermazing!'. 

The inside of the card says, 'With Love on Your Birthday' and features another image of Peppa as a mermaid. There is also plenty of space for you to send your birthday wishes to your sister.