23x12mm.

Half woman, half fish, this gorgeous mermaid has long, flowing hair and a hand painted, scaly tail with a shell as her top! Lead & Cadmium Free Pewter. Made in the USA.

The Mermaid Necklace Design above uses the Mermaid with Enameled Tail Silver Plated Charm, Lampwork Glass 6mm Blue Round Beads, Tierracast White Bronze Plated Hammertone 8.6mm ring, Antique Silver Plated 4mm Scalloped Bead Caps, Pewter Starfish 19x 15mm 2 Link Connector, Pewter 15x10mm Fish Bead Baby, Dolphin Waves Pewter Toggle Clasp Set, Silver Plated Eyepin 20 Ga 2" Nickel-Free, & Silver Plated Oval Jump Ring 20 Ga, 4x3mm ID.