Bahama Pink Mermaid Tail + Monofin Set clothing for kids, girls, teens, and women (pool toy)Get a discount by ordering your mermaid tail and monofin together! Just pick which color fin you want and we will provide the right size. 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.