Our products can be washed in the dishwasher. It is recommended to use liquid detergent instead of tablets. There is no bleeding, bleeding or color confusion in the patterns made individually by hand. However, since our porcelain plates have gold gilding on their edges, they may wear out over time in the dishwasher. It is not suitable for microwave oven use. PRODUCT: Koi Legend Tea Cup Set MATERIAL: Porcelain CARE: Liquid detergent is recommended