'Shell We Swim?'. Your Princess will feel part of Ariel's world and dream of exploring the Kingdom of Atlantica in these mermazing Little Mermaid PJs! Inspired by all things Under the Sea, this short pajama set features a motif of shells and bubbles on pretty coral coloured shorts. Complete with a beautiful painting of Disney's Ariel and fish friend Flounder on the top. Even Sebastian will adore these treasured jammies!