Martine Ali “Heirloom Silver” sterling silver dipped brass boxer chain link necklace. Features a hand-treated patina and a multifunctional design for various styling options. Due to the handmade nature of Martine Ali jewelry, the number of split keyrings and types of clasps will vary from piece to piece. To care and maintain the finish, avoid contact with moisture and water. The product may contain traces of nickel.