This Bosmarlin Large Ceramic Coffee Mug is perfect for office and home use. With a 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 makes it easy to hold and prevents it from rotating. The unique reactive glaze technique gives it a classic and stylish look, and it comes in four 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. Buy this mug now and enjoy your tea/coffee comfortably!