Hinky Imports Tibetan White Metal Brass Om Mani Padme Hum Ring Handmade Tibetan Ring Made from White Metal alloy. Tibetan white metal alloy, also called Tibetan silver, is a copper based alloy metal. It is not sterling silver. White metal, copper, and brass will tarnish without polishing. The best way to treat the ring is to brush it with a toothbrush and some toothpaste. When the ring is dry after rinsing, please apply clear nail polish on the whole ring surface and it will not tarnish anymore. One Size Fits Most; Handmade in Nepal; Imperfection might exist due to the handmade nature; Height: 0.5 Inch; Engraved with Om Mani Padme Hum Tibetan Mantra; Filigree Edge; Accent Beads;