Includes sewing templates, sizing guidelines, and easy to follow instructions to create (1) Little Mermaid costume for girls and (1) Little Mermaid costume for dolls. Girl's Princess Ariel costume dress sewing pattern can be made to fit child's sizes 3, 4, 5, 6, 7, and 8. Doll dress fits dolls 18'' and is not intended for human wear. Create gorgeous mermaid costumes for your little girl and her doll with this Disney princess dress sewing pattern! With a silk top and sequined mermaid's tail, anyone can create the perfect Halloween costume for girls. Simplicity 8725 Ariel costume for girls sewing pattern is proudly made in the USA with instructions available in English, Spanish, and French.