Introducing the Collier Billy Turquoise Petals by Gachon Pothier. This necklace is made of seashells, turquoise petals, and 18K gold-plated beads. It features an adjustable chain for customizable length. Wear it alone or layer it with our chains and pearl necklaces. Adjustable length: approximately 45 to 55 cm. Each piece is unique and handcrafted in the brand's Parisian workshops.