Completely flat melamine platter allows every square inch of the surface to be used for food presentation. Manufactured from nearly indestructible melamine for long-lasting reliability in everyday performance. Not recommended for direct contact with citric, acidic or strong-colored food, which can leave stains over time. Never heat in microwave. Wash immediately after every use. Dishwasher safe in top rack. Do not expose to highly acidic detergents.