Ceramics designed for daily use with practical benefits Safe for a range of beverages: can safely hold iced milkshakes at 40 F and scalded coffee at 212 F without cracking or affecting flavor purity. Ergonomic and elegant: comfortable grip with graceful lines for a pleasing appearance and easy handling. Versatile and easy to care for: suitable for hot and cold beverages, microwave safe for heating, and dishwasher safe for cleaning. Tea performance benefits: keeps tea warm for a long time, increases the alkalinity of the tea soup, ensures a better taste of the tea, stimulates and enhances the aroma of the tea, and provides a soft and sweet taste. Size: 6.2 cm by 5 cm (2.44 in by 1.97 in) Use scenarios Daily coffee or tea at home or in the office: reheat in the microwave as needed and enjoy a steady temperature with a comfortable grip. Iced beverages: reliably accommodates iced milkshakes or other cold drinks at 40 F without compromising integrity or flavor. Tea tasting and brewing sessions: maintains warmth and enhances aroma and flavor over longer periods.