Mermaid Sleeveless CostumeRoll 'em in the deep with this silken adult Mermaid Costume that has a hidden back zipper, no sleeves, and a sexy coral mock neck. Have it covered with seaweeds, starfishes, ocean shells, and zombie sirens cuz u know how to parade the freak show and squeeze it with a dreary afterglow! The costume is made of high quality Italian Fabric. Boy, it feels smooth, doesn't it? Nothing feels so sleek and polished. It consists of 80% Polyester, 20% Elastane.