All L’OBJET collections are made with exceptional materials, and with proper use and care, will last for generations. L’OBJET dinnerware with metallic accents are dishwasher safe, using a gentle energy efficient air-dry cycle or may be handwashed and dried with a soft cloth. Handwash oversize pieces. Do not overload dishwasher. Avoid abrasive soaps and detergents containing citrus scents or additives. After use, rinse in hot water to avoid prolonged contact with acidic substances which can stain metallic finish. When storing, stack carefully to avoid scratches in the metallic finish. Pieces with metallic accents are not suitable for the microwave.