You can also check Kid Girl Mermaid Tail Bikini Set - Swimmable Tail Swimming Swimwear Costumes US and Sonic the Hedgehog Movie Deluxe Sonic Child Costume for a better comparison at Costumekids.org.

US Girls Mermaid Tail Bikini Sets Swimsuit Color 1. sets 1 Mermail needs to be Mermaid sew the bottom(it put the monofin inside 3. only for reference,please check the detail before purchasing,thanks.
Material:Polyester that 1 0.39 4-5 Tail Length to the short part end) 36.9 inch, 18.7-26.5 Recommended Age 4-5 Years Length Waist part end) 38.2 Waist inch, Age 6-8 9-10 (From Waist short end) inch, Waist 20-30 inch, Recommended Old Length the 40.6 inch, Years Old 13-14 to short end) 41.0 Waist 22-32 inch, Recommended 13-14 The swimming costume washing.
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