Glaze over. Natural stoneware forms round espresso cup with half-circle handle. Before it's fired, cup is hand-dipped into matte black reactive glaze from top to almost-bottom, leaving a single band of natural grey stoneware at the base. Each will be unique with variation in color and glaze height. CB2 exclusive. -Hand-dipped -Stoneware with matte black reactive glaze -3 oz -Each will be unique -Dishwasher- and microwave-safe - Made in China.