Mermaid Swimsuit, One Piece Polyester/Spandex Machine Wash Cold These darling swimsuits feature a one piece swimsuit with three ruffles and a halter top. They are made with the same high quality material as Shimmertail Mermaid Swim Fins. They are just what your little mermaid needs to complete her outfit! Returns will be accepted within 30 days if the Shimmertail is unused, with original packaging and original invoice. A 15% restocking fee will apply for returns. No fee will be charged for exchanges if the item is unused.