This Bosmarlin Matte Ceramic Coffee Mug is perfect for office and home use. With a capacity of 13 oz, it is made of lead-free, cadmium-free, high quality ceramic, making it sturdy and durable. The big handle ensures a comfortable grip and prevents the mug from rotating. The simple and classic design comes in ten stylish colors, making it a great gift for any occasion. It is also suitable for hot and cold drinks, dishwasher and microwave safe. If you have any problem with the mug, just contact us and we will make every effort to solve it. Enjoy your tea/coffee with this mug and make it your top priority!