Necklaces / Pendants by annabet wyndham the yellow green enamel is set off by the contrasting oxidisation of the silver. The japanese glass seed beads called gunmetal in colour compliments the oxidised silver. Features Primary Material : sterling silver Other Materials : glass beads and vitreous enamel One of a Kind : No Metal : sterling silver Hallmarked : No Length (inches) : 17 Cleaning InstructionsNo cleaning should be necessary as the silver is oxidised. Use mild detergent to wash the piece and avoid any perfume making contact with the piece.