· Length of the flength of the first layer:13" ,second layer length:14", 2 inches extender.irst layer:15" ,second layer length:16".· Material: s925 sterling silver, won't change color or get dark.tarnish resistant, nickel free.· Our dainty necklace is suitable many occasions,etc party, wedding, ceremony, graduation, dating and vocation.· Comes in a box and silver polishing cloth. no wrapping needed.· After-sales service: 3 months of no artificial damage, free replacement guarantee. if you have any problems with jewelry for women, please feel free to contact us.