Bling Jewelry Set of Six Bundle assorted Solid Pastel Color Murano glass Bead Charm .925 Sterling Silver This set of six beads, perfect for using as spacers, come in assorted pastel colors from white to pink to blue and are made of durible glass around a 4mm unthreaded sterling silver core. 100% safe for sensitive skin. Copper and allergy free. Material: .925 Sterling Silver, Murano glass Lampwork Measure: 4 mm Bead Core Compatible with Pandora Charms, Biagi, Troll, Chamilia, European Style, Persona, Ohm, Kay&#039;s Charmed Memories and More. Fits both necklace and bracelet 3mm or smaller. The Unthreaded Hole Size is about 4.8mm-5mm.