Whether blue is your favorite color or you've always wanted to be a part of the ocean, our Blue Lagoon mermaid tail and monofin set is the perfect choice for you or your mermaid in training. These realistic mermaid tails and fins allow you to swim like a real mermaid, as well as pose for perfectly set up pictures. This ethereal blue offers some touches of green, offering the most perfect shimmer that makes this one of the best sets on the market. Our Blue Lagoon set is a best-seller because of the realistic tail and included monofin. Purchasing both the tail and monofin together allows you to save money. Choose your size tail and we'll provide the right size monofin. New Mer-Shield Coating protects mermaid tails from wear and holes. Superior design, comfort, and control have earned our monofins two patents. Child sizes M - XL will come with a Keiki sized fin. Teen/adult sizes JS - JL will come with a Nunui sized fin.