You won't have to go under the sea to purchase the best Little Mermaid costume out there. The Shimmer Deluxe Ariel Disney Girls Costume is a costume that is sure to make your daughter feel like a true princess. This costume includes a dress that is all the colors of the sea. The skirt of the costume is a dark green and features two puffed tail fins, one on each side. The body features a silver detailing that shows off a cameo of Ariel herself. A matching hair clip finishes off this fancy dress fit for a princess. This is a classy and elegant take on an Ariel costume. The costume is going to be perfect for Halloween or a Disney themed party.