This is one of the best earrings to wear for beach party, to imagine yourself as a mermaid that swims along the beach :) A great piece of jewelry for the summer! Sold as a pair. Measurement: Please refer to the picture. Red ruler makings are in mm/cm. Made with hypoallergic materials. Silver 925 post. For CLIP-ONS: Depending on the original design of the earrings, either metal or elastic resin clips may be used. If you have any specific preference, please contact me directly to discuss possible options before your purchase. Please feel free to message me directly if you have any questions! Mermaid Pearl Earrings, Fish Tail & Golden Summer Beach Ocean Sea Party Pierced Earrings