Low fire glazed red earthenware w/ terra sigillata, approx. 5"x3.75"x4.25". This mug was thrown, cut, textured, assembled and brushed with terra sigillata and multiple glazes. This sweet mug is ready to serve, day in and day out and will be great for coffee or tea! Easily holds 12 oz. Dishwasher and microwave safe, although hand washing is recommended!!