3PCS Girls Swimsuit Princess Mermaid Tail Swimwear Bikini Set Monofin Mermaid Tail Can Match Monofin Mermaid Tail : 80% nylon, 20% polyester; Mono fin: Acrylic The tail will fit with monofin Include 3 pcs (Top, Mermaid Tail,Panties ) The skin of the costume is high quality swimsuit fabric illustrated to appear like real mermaid fish scales and is resistant to the fading effects of chlorine and salt.