Red Keiki (child size) Mermaid Monofin hero This bikini set matches our

This bikini set matches our Ariel's mermaid magic mermaid tail with beautiful 3D scales

The monofin is great for teaching yourself how to flit through the water like a fish

and realistic

providing more comfort and durability

Red Keiki (child size) Mermaid Monofin hero This bikini set matches ourDid 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