Dormith 925 Sterling Silver Charm Women Synthetic Blue&white Fire Opal Butterfly Stud Earrings Best Gift Dormith 925 Sterling Silver Charm Women Fire Opal Butterfly Stud Earrings Best Gift Material:925 sterling silver;synthetic blue fire opal.cubic zirconia. Earrings size:14*10mm. Total weight : 2.86g. Tarnish-free and anti-allergic, lead-free. Guaranted authentic, money-back satisfaction guaranted by Dormith. Designed by Dormith; makes your life more beautiful.