This Bosmarlin Large Ceramic Coffee Mug is perfect for office and home use. With a large capacity of 21 oz, it is made of strong ceramic construction, lead-free, cadmium-free, and high quality ceramic. It is suitable for hot and cold drinks and is dishwasher and microwave safe. The big handle makes it easy to hold and prevents it from rotating when you try to hold the mug. The unique reactive glaze technique gives it a simple but classic design, and it comes in 11 stylish colors, making it a great gift for any occasion.