This is a 2001 Disney Princess Ariel Barbie Doll, part of the "My Favorite Fairytale" collection. The doll is 10 inches tall and made of plastic. It is an original, unopened product and comes with a single unit of the doll. The doll is a licensed reproduction of the Disney Princess Ariel character from the movie "The Little Mermaid". It is suitable for children aged 3-4 years and is a vintage product from the 2000-2009 time period.