handmade ceramic big coffee/tea mug with green agate crystal gemstones Capacity - 13 oz/385ml. Each piece is electroplated (not gold leaf or gilded, which may rub off) with beautiful thick metallic gold/silver/rose gold Can be used for both hot & cold beverages Do not microwave All pieces are completely food safe Since each item is individually handmade, slight variation may occur Can do gold/silver/rose gold finish.