Jonathan Adler On The Go Coffee Mug - Dunbar Road Stylish and eco-friendly ceramic travel coffee mug by Jonathan Adler Coordinating silicone sleeve and lid (included) can withstand temperatures up to 440 degrees F Holds 16 oz; highly durable single-walled porcelain construction Microwave and dishwasher safe; Use with silicone sleeve in place Measures: 6.25"h x 3.75"d