Lil&#39; Mermaid Girl&#39;s Costume 50% Polyester, 50% Metallic Knit Cute and Adorable Mermaid Costume (Boa not included) Sequins are glued NOT sewn on. To be sewn on, our mftr. Said the cost would be double to quadriple! Anticipate some of these falling off - this is ECONOMY LINE Priced Novelty Item. Toddler Size 3-4T & 4-6 - NEW RUN from MFTR. is running VERY VERY GENEROUS (SEE MEASUREMENTS) Size 3-4T (from shoulder to point of fin 32" waist--20" sleeve--13.75"). Size 4-6 (from shoulder to point of fin 32" waist--20" sleeve--14")