Dormith&reg; 925 Sterling Silver Synthetic Blue Fire Opal Sea Turtle Pendant Necklace for Women Dormith 925 Sterling Silver Fire Opal Wing Pendant Necklace Material:925 sterling silver;synthetic fire opal.The Excellent Materials and Crafts show a top quality of this item. Pendant size:Length:25mm,Width:18mm,Thickness:3mm;Silver chain length is 16-18 inches,Total weight:5.6g Tarnish-free and anti-allergic, lead-free. Guaranted authentic, money-back satisfaction guaranted by Dormith. Designed by Dormith.makes you life more beautiful.