Our 16mm Square Initial Necklace is the perfect simple necklace to add to your jewelry. You can choose 1-7 squares stamped with initials. At checkout leave the initials you want stamped on the squares in the order you want them on the necklace. These are made with gold filled, rose gold filled and sterling silver chains and components and thick 16mm squares in order to last for years to come. See the rest of our initials necklaces. Add an extension chain. All of our necklaces come with lobster clasps.