Le Creuset Stoneware 10-Ounce Mortar and Pestle, Fennel 10-Ounce mortar and pestle for preparing flavorful herbs, spices, and pestos Made of high-fired stoneware with enamel exterior; resists chipping and cracking Unglazed, abrasive interior and pestle tip for efficient crushing and grinding Freezer-, microwave-, broiler-, and oven-safe (up to 500-Degree F); dishwasher-safe Measures approximately 5 by 4 by 5-Inch