Match 10 - 18k, RubyA solid 18k yellow gold, one of a kind match stick charm. Details: Flush set 2mm earth mined Ruby Pendant Bail Opening: 5x3mm Match Dimensions: 25. 3mm L, 2. 25mm W Oxidized to have a unique charring pattern The second photo shows how the match hangs on the chain and may not be the exact match! *Oxidation Care: The nature of oxidation is such that it will wear off eventually, depending what charm is exposed to can affect how quickly. Anything alkaline