RoRo 4" Hand-Thrown Ceramic Coffee Mug from Kaolin Clay with Etched Glaze 100% handmade from kaolin clay from Lampang Province, Thailand Un-glazed on outer bottom for an elegant and simple finish 4"h x 4"wide (5" including handle) with slight tapering at bottom Microwave, Oven, and Dishwasher Safe Comes invidually boxed to be gift friendly