Necklaces / Pendants by Sally Grant This necklace is handmade so the etched patterns vary in detail in each piece. Each folded oval section measures 35mm x 25mm. Features Primary Material : silver Length (inches) : 20 One of a Kind : No Metal : yes Hallmarked : No Cleaning InstructionsLightly scrub the surface with soapy water using a toothbrush or can be cleaned with silver dip.