Creative Ceramic: The black and white mug is inspired by the chess board. Ergonomic Design: Large ear handle is wide and easy to lift, equipped with a silicone lid for thermal insulation. Three Colors Available: Stripe Spot, Block. Healthy Cup: Fired at high temperature. Free of lead or other harmful substances. Note: The cup can be put into the oven, microwave and dishwasher. But please do not make it suddenly cold or heat