Make a splash with our exciting array of swimmable mermaid tails for kids! ✅ Wide range of colours. ✅ In Stock and ready to Ship. ✅ Fade-Resistant Fabric. ✅ Machine Washable. ✅ 100% Swimmable. ✅ Highly Durable Monofin. Our mermaid tails offer a great way to exercise and have fun swimming. Swimwear, Leggings, Hair Accessories and more. Mermaid in the UK.