Bigface Up Girls Swimsuit Mermaid Tail 3PCS Swimwear Bikini Set Costume for Swimming 3 Pcs Set: 80% nylon, 20% polyester Girls cute Mermaid Tail costume 3pcs set Mermaid tail open small hole by the bottom,it can put the Monofin safely Package Included: 3PCS set only The Years is only for reference,Please refer the detail size in product image before purchasing.