Back Finding: Smooth Knot Back Finding, For Ease Of Wear And Removal. Plating & Metal: 10 Micron Antique Oxidized Silver Plated over Skin Friendly ( Hypo-Allergenic) Brass Alloy, As Per International Standards. Dimensions:- Length:- 450 mm, Width: 50 mm, Weight : 30 gm. Wearability: Goes Well with Western Attire,Ideal for Party,Evening Wear or Casual Occassions. Perfect Gifting Option for Birthday,Anniversary,Mothers Day,Valentines Day,,Diwali or Christmas. Care: Avoid Perfumes, Chemicals, Soap & Water For Greater Durability. Allow the Necklace to Dry For Sometime Before Placing it Back In the Box, After Wear, to Prevent Tarnishing due to Moisture.