Sterling Silver 4.5mm Close Link Flat Curb Chain Necklace - 16 Inch - 8.9 Grams in Sterling Silver - Width of Item: 4.5 mm - Length of Item: 16 in - Chain Length: 16 in - Chain Width: 4.5 mm - Clasp /Connector: Lobster - Finish: Polished - Chain Type: Curb - Feature: Solid Lobster Claw Closure ; Polished - All of our jewelry for women and men are authenticated with a 10K or 14K hallmark and are tested to pass FTC regulations.