• Metal: 14k Rose Gold Over Brass • Size: 0.63"L x 0.38"W • Open, adjustable • Material: Ivory Mother-of-Pearl Material Highlight: Mother-of-Pearl Mother-of-Pearl is a genuine shell material produced as the inner layer of a shell, and is also what makes up the outer coating of pearls. It is strong, scratch-resistant, and beautifully iridescent.