To avoid misuse, inadequate handling and conservation of Vista Alegre products, generally we advise:-Scratch resistant-Resistant to varying temperatures-Do not drag the piece on top of others to avoid scratches on the decorated surface.Avoid storage for long periods inside of paper boxes (in case of oxidation, it can be removed with an appropriate non aggressive metal cleaning product and soft and dry flannel, test in a small area before use).- In the dishwasher, we recommend short washing cycles at low temperatures. Avoid frequent washing. When washing by hand, use soft sponges and mild detergents.- Should not be used in the microwave.