Forum Novelties Mermaid Fin Tail Skirt for Women - Adult Size Material: made of 100% Polyester with durable stitching. Flattering look: features a shimmering fish scale printed skirt with ruffles on the bottom to create the illusion of a fin. Flattering look: features a shimmering fish scale printed skirt with ruffles on the bottom to create the illusion of a fin. Versatile: great for Halloween trick and treat, role plays, dress up games, fancy Dress, stage performances and more. Premium quality: made by, a leader in Halloween costume and accessories for more than 50 years