Before and after using for the first time, wash with liquid detergent and wipe off the water thoroughly before using. Before baking, apply butter or oil to the inside of the mold. Do not open flames or fired in air. Please do not use metal scrubbers, polish, knife or other hard objects as it will damage the surface. After baking, the molds are hot. Beware of burns. Do not put in dishwasher or dish dryer.