Open Heart Shaped Cut Out .925 Sterling Silver Stud Earrings with Rhodium Plated Metal: .925 Sterling Silver with Rhodium Plated Size: 8 mm x 8 mm Weight: 0.7 Gram (Our CAREFREE sterling silver is plated with quality Rhodium, the most tarnish resistant and most expensive member of the Platinum metals group. It virtually eliminates the need for frequent cleaning and polishing; increases surface hardness against incidental scratching and abrasion; and adds an expensive platinum look.)