This 8mm cobalt chrome ring features a laser engraved peace signs. Deluxe comfort fit ring is made in the USA. Weight: approximately 10 grams. Cobalt Chrome is a unique alloy blend that consists of cobalt and other substances to form a bright white alternative metal. It is as white as platinum, hypoallergenic, unbreakable, and scratch resistant. These bands are light-weight, inside round comfort fit and very comfortable to wear. This metal has been used in medical applications for years. Occasional polishing may be required.