This Bosmarlin Extra Large Ceramic Coffee Mug is perfect for office and home use. With a large capacity of 23 oz, it is made of lead-free, cadmium-free, high quality ceramic and is suitable for hot and cold drinks. It is also dishwasher and microwave safe. The big handle makes it easy to hold and the unique reactive glaze technique makes every mug unique. It comes in four stylish colors and makes a great gift for any occasion. Enjoy your tea or coffee comfortably with this mug and rest assured that if you have any problem with it, we will make every effort to solve it.