Professional monofin swimming have to be in each tail of a mermaid.
The larger fin, the easier and faster you will be able to swim in sovem tail like a real mermaid.
Our every tail contains a large professional middle monofin swimming.
It is very convenient monofin.
It will not rub your feet.
Each tail of series Sea Queen contains a large professional monofin.
You can very easily feel yourself a real mermaid.