Earrings by Lindsey Mann Oval frame studs made from reclaimed piano-key ivory and silver.Handmade by Lindsey Mann Features Primary Material : piano-key ivory Other Materials : silver Fitting Type : Post Dimensions (mm) : 10x8x6 One of a Kind : No Metal : sterling silver Hallmarked : No Wire Material : silver Cleaning InstructionsIvory can be wiped with a clean damp soft cloth. Oxidised silver has been treated to produce a dark surface, for this reason it should not need to be cleaned.