Le Creuset Stoneware Mortar & Pestle, 10 oz, Hibiscus 10-ounce mortar and pestle for preparing flavorful herbs, spices, and pesto's 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 degrees F); dishwasher-safe Measures approximately 5 by 4 by 5 inches