Earrings by Dot Sim Simple and very wearable silver button earrings. The silver has been oxidised black with an area left unoxidised. Perfect for everyday day wear. Handmade by Scottish designer Dot Sim. Features Primary Material : silver Fitting Type : Post Dimensions (mm) : 8mm Dia One of a Kind : No Hallmarked : No Wire Material : silver Cleaning InstructionsSoft brush with warm water and washing up liquid.