Le Creuset Silicone 8" Round Cool Tool, Hibiscus For use as a surface protector, potholder, anti-skid mat, or jar opener Made from stain-resistant, non-abrasive Silicone Resists odor and flavor absorption; great for everything from staging to serving Freezer-, microwave-, and oven-safe up to 482 degrees F; dishwasher-safe Measures 4 by 4 by 1 inches