The Perfect Mug For a Coffee Lover "I like my coffee black and my tea in the harbor." Here's to the Boston Tea Party! This Tea in The Harbor mug will bring the heroic events of 1773 to your home! 4th of July Coffee Mug Thanks to its patriotic design, Tea in The Harbor mug is hands down the best 4th of July coffee mug ever! Whether you're drinking your morning coffee, evening coffee, or something coffee in between – this mug's for you! It's sturdy and glossy with a vivid print that'll withstand the microwave and dishwasher. Details Ceramic Dishwasher and microwave safe White and glossy