Molly and Polly are a set of identical underwater fairy princess twins. They always wear their pink glittery rubber wetsuits, purple swimming goggles, lavender rubber dive gloves, amethyst purple floral patterned swimming caps, indigo fins, violet snorkels, shocking pink tutus and rose pink fairy wings. They also carry pink fairy wands wherever they go. The two of them attend a magical underwater fairy princess boarding school. They are both really friendly and they have five other fairy princesses in their class.