Orange Keiki (child size) Mermaid Monofin Orange They are made from 80%

They are made from 80% polyester

even hop around in them without any fear of the fin breaking -- though you can break so please be careful

comfortable

If you're simply replacing the tail skin

or save some money and order a tail & monofin in a set

Orange Keiki (child size) Mermaid Monofin Orange They are made from 80%Did you know? Keiki means "child" in Hawaiian. It's pronounced kee kee. :) The Keiki monofins are for use with our M, L, and XL mermaid tail sizes. Our patented mermaid monofin (swim flipper) is the best monofin available (US Patents 9561401 and 9925416). Not only does it help you swim like a real mermaid, it keeps feet from sliding around, is so comfortable to wear, and won't break. Unlike other monofins, our swim fins do not require any babying. You