Hello, usage instructions; When placing your porcelain products in the dishwasher, emptying them or stacking them during use, care should be taken to ensure that they do not rub against each other. - The detergents and machine programs recommended for porcelain by the dishwasher and detergent manufacturers should be used, and the relevant warnings should be taken into account. . As Porland, we recommend you to use liquid detergent. Wash using the dishwasher's economy cycle (50°C). Thank you. - It should be allowed to cool to room temperature before being removed from the dishwasher.