Material: 999 pure silver
Size: Outer diameter approximately 12/15mm (inner diameter approximately 9/11mm)
Color: Plain silver
Weight: Approximately 1.75g for 12mm / Approximately 2.75g for 15mm (with a tolerance of ±0.1-0.3g)
Maintenance: Silver cleaning stick, silver cleaning cloth, keep dry, and store in a sealed container.
