Put a little bit of mythical, aquatic fun into your outfit with these charming Mermaid Fin Earrings. These sparkly pieces will be sure to add a bit of fantasy and ocean vibes to any look! So dive into the deep and show off your earring-tail! The mermaid fin earrings are made of glass, crystal, costume and surgical steel ear wires. The earrings measure 1 inch long and 1/2 inch wide.