Dormith&reg; Fashion Women's 925 Sterling Silver Charm Classics Synthetic White Fire Opal Rings Dormith Fashion Women's 925 Sterling Silver Charm White Fire Opal Rings (7) Material: 925 sterling silver.synthetic opal;Excellent crafts and materials show a top quality Ring size: 25*30*mm. Finger size:resizable.total weight: 4.34g. Tarnish-free and anti-allergic, lead-free. Guaranted authentic, money-back satisfaction guaranted by Dormith. Desinged by Dormith.makes your life more beautiful.