CompositionItalian Vegetable Cow Leather + Brass (Buckle) Brass There is a 'patina phenomenon' in which the color changes depending on the user's usage habits or climate. At this time, like gold or silver, if you wipe it with a polishing agent, the original brass color and luster will return.Country of originSouth KoreaProduct NoYA100_BKCMBuckle widthBuckle lengthTotal lengthBlack52.595..