Microwave and Dishwasher safe. After being washed in the dishwasher, let the ceramic items cool down before away. DO NOT use a metal scrubber to scrub the product's surface. It is recommended to use soft cloths or sponges to wash them. DO NOT use metal cutlery to cut hard on the surface of matte glaze products. Cautions DO NOT use on fire directly. DO NOT use in stove and oven. DO NOT use cups or mugs with metallic print in the microwave or electric oven. DO NOT use a Teapot with a brass handle in microwave and electric oven. DO NOT use strong acidic/aggressive cleaning products to clean the ceramics products. DO NOT use products that contain chemicals and concentrated corrosive detergents such as acid."