Set Include:2pcs swimsuit (1pc Mermaid Tail+ 1pc Monofin). 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. 80% nylon+20% spandex. The monofin is designed for natural motion, optimal propulsion and maximum comfort. Luxurious Mermaid Tail Design, pretty and gorgeous gift.