Lavender Keiki (child size) Mermaid Monofin Backpack Superior design

Superior design

The swimsuit material is very comfortable and works well for swimming

If you're new to the world of swimming as a mermaid

or you may just want to replace a tail skin that has been well-loved

learn to swim like a mermaid with our Siren Green mermaid tail and monofin set

Lavender Keiki (child size) Mermaid Monofin Backpack Superior designDid 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