Fin Fun Mermaid Tail Outfit for 18 Inch Doll Like American Girl - Crystal's Arctic Blue - Outfit Only, Doll Not Included 82% polyester / 18% spandex Delight your little mermaid with a mermaid doll tail for her American Doll and other similar 18 Inch Dolls. Choose the color you love, or the one that matches your child's Fin Fun Mermaid tail. Made with the same material and designed to match child and adult sized Fin Fun Mermaid tails and swimwear. Beautifully detailed mermaid tail and top set for an 18 doll Tail designed to replicate Fin Fun Mermaid Tails from the Mermaidensand Sparkle collections Little mermaid fashionistas love the bright and fun colors of our doll tail designs Made from durable swimsuit material Encourages active play Perfectly sized and easy to put on a favorite doll