This mug is about 3 oz capacity, about 1.75." tall.
The interior of the mug is glazed with food-safe white glaze. The exterior is hand illustrated with underglaze over unglazed rustic surface of clay. 
Fired to 2200F
Some tiny imperfections add to hand -made characteristics but don't affect the functionality of the mug.
The mug is dishwasher and microwave safe.