10 oz. mug slipcast in dark green clay. Inside and lip are glazed with clear crackle glaze, outside is bare clay sanded to a smooth, stone-like finish. Product dimensions: 3.25″ high x 3.5″ diameter.Our products are dishwasher and microwave safe, but we recommend handwashing with your usual dish soap. Due to the nature of bare clay, take care to wash immediately after use to prevent staining. Even so, marks of use may develop over time. This is natural to the aging of our clay and glaze.