Necklaces / Pendants by Mariko Sumioka This will bring you a beautiful movement and reflection around your neck. Featuring Mariko's signature roof tile pattern. Handmade in silver. Features Primary Material : Silver Dimensions (mm) : 430x5x2 One of a Kind : No Hallmarked : No Length (inches) : 17 Cleaning InstructionsPlease clean the silver part with silver cleaning cloth or silver dip and rinse it really well with running water.