Preciosa Czech 4-mm Fire-Polished Glass Bead, Faceted Round, Opal White Azuro Aurora Borealis Finish, 200/pack Fire polished beads are all slightly different from each other, this adds to their charm Available in aurora borealis opal finish Beads are faceted round in shape; measures 4-mm diameter Beads are actually more of an oval even though called round Made from bohemian glass; comes in 200/pack