L’OBJET dinnerware collections with gold or platinum accents are created with fine Limoges porcelain, which is relatively easy to care for. All dinnerware collections with gold or platinum accents, including Aegean, Alencon, Byzanteum, Han, Soie Tressee and Perlee are dishwasher safe using a gentle energy efficient air-dry cycle. Handwash oversized pieces. Avoid soaps and detergents containing citrus scents or additives. Please note, pieces with gold or platinum accents are not suitable for the microwave.