Trusuper His and Hers Stainless Steel Engraved Bar Pendant Necklaces, 18" and 20" Chains Material: 316L stainless steel and 3A cubic zirconia Male's pendant: 1.4" height, 0.3" width. Chain length: 20" Female's pendant: 1.2" height, 0.2" width. Chain length: 17" Nickel free and resistance against wear and tear Best gift for lovers