Adult Swimmable/Walkable Mermaid Tails!Our Adult Mermaid Tails feature hologram scales nylon spandex fabric, a walkable mermaid tail with invisible zipper bottom, and a monofin that will make you feel like a real mermaid! The monofin design includes two adjustable heel straps that provide comfort and stability during swimming. The hologram scales create a sparkling mermaid effect in the water, making your dream of being a mermaid come true.