Onyx, the "stone that brings happiness," is used to create this raw marble wine glass. I received it as a gift, but I'm selling it because I haven't had a chance to use it. Product of Hakusekikan (Gifu Prefecture) ● Size Diameter: 46 mm Height: 76 mm Please note that there may be slight variations due to amateur measurements. ● Material: Onyx (marble) ● Condition: New, unused