Polyester Every mermaid princess will like the fancy costume, package including 1 tutu dress + 1 mermaid headband Fish scale inspired top, very shiny and vibrant. Your girl will feel comfortable since the soft lining Stretchy crochet top, 5 sizes for girls 1-10 years old, please kindly check the size chart before order(the last picture), thank you High quality materail, non-itchy, skin-friendly, body crochet 100% polyester, strips tulle 100% nylon Perfect for birthday party, Christmas gifts, Halloween party, mermaid party, dance, school performance, playing dress-up, cosplay, role play etc Polyester Every mermaid princess will like the fancy costume, package including 1 tutu dress + 1 mermaid headband Fish scale inspired top, very shiny and vibrant. Your girl will feel comfortable since the soft lining Stretchy crochet top, 5 sizes for girls 1-10 years old, please kindly check the size chart before order(the last picture), thank you High quality materail, non-itchy, skin-friendly, body crochet 100% polyester, strips tulle 100% nylon Perfect for birthday party, Christmas gifts, Halloween party, mermaid party, dance, school performance, playing dress-up, cosplay, role play etc