Tea pair, double walled, 2 persons, 4 items. Package contents: mug, 270 ml-2 pieces saucer-2 pieces. Material: heat-resistant glass. Ideal for hot or cold drinks, preventing them from cooling down or heating up quickly. Not suitable for use in a microwave oven. It is recommended to wash by hand using mild detergents. Can be washed in the dishwasher on a gentle mode for glass.