This Bosmarlin Large Stoneware Coffee Mug is perfect for office and home use. With a large capacity of 21 oz, it is made of lead-free, cadmium-free, high quality ceramic and is suitable for hot and cold drinks. The big handle prevents the mug from rotating when you hold it, making it comfortable to use. The unique reactive glaze technique gives it a simple yet classic design, and it comes in 11 stylish colors. It is also dishwasher and microwave safe. If you have any problem with the mug, just contact us and we will make every effort to solve it. Get this mug today and enjoy your tea/coffee in style!