The Mermaid 4-piece set is suitable for cosplay, Christmas party, Halloween party, themed party, beach vacation, pool party, swimming, photos and so on. The mermaid swimsuit is made of soft and safe material. 80% polyamide, 20% elastane. Ventilation, soft, comfortable, very elastic. The bottom of the mermaid tail can be easily opened and closed. With the fins, she looks more like a mermaid princess.