This traditional 18K white gold filled herringbone chain necklace is 21.6 inches long and 2mm wide. It is shiny, tarnish-free and hypoallergenic. A perfect piece for every situation, every day of the week. *** It is covered under our 60-day 100% money-back guarantee. *** Free gift packaging included. We have 16 inch ~ 38 inch; 18K White Gold/Yellow Gold Filled in stock for this model.