J. Jewelry Star Fish Charm Bead Fit for Pandora Bracelet 1pc Quality Silver Plated Star Fish Charm Bead Fit for Pandora Bracelet. Core Diameter: about 4.5mm Bead Size: around 3/8" x 3/8" x 3/8" ( W x H x D ) Compatible with Pandora, Biagi, Chamilia and Trollbeads Quality Charm Bead. Great for Gift!