20-ounce mortar and pestle made of high-fired stoneware * Non-porous enamel finish; resists odors, staining, chipping, and cracking * Unglazed abrasive interior and pestle tip for efficient crushing and grinding * Temperature resistant from -65 degrees F to 500 degrees F; dishwasher-safe * Measures approximately 5-4/5 by 5-4/5 by 3-1/5 inches