Simplicity thin square cube ring band in gold fill is unique minimalist styling options for her. Artistically designed to perfection, it also makes a thoughtful gift idea for a friend or loved one. - choose from 14K gold-filled wire 1.0mm OR 1.3mm - make to order Gold-filled is made by adding a layer karat gold to a brass core. Cleaning and care : Clean with a polishing cloth, or washing in warm soapy water and buffing with a soft, dry cloth.