- Our ceramic coffee mugs are made using a hight quality sublimation process that adheres specialty inks to our mugs, leaving a permanent image on your mug. Beautiful and Appealing: This Coffee mug is perfect for your home or office. 100% dishwasher safe and certain to last even the roughest of caffeine induced, stress-filled mornings. Microwave safe. Sturdy Ceramic quality mug. Printed in the U.S.A exclusively for TeeStars. This mug will last for years to come. SPECIAL OCCASIONS & HOLIDAY SEASON – This mug is a cool Christmas present idea for a coffee or tea lover. It’s one of the best Mother’s or Father’s Day gifts for Mother or Father, Grandma or Grandpa. Perfect for him or her even as a humorous gift for your brother or sister. A sarcasm infused gag gift for your boss or coworkers who don’t like being disturbed at the office. Have a son or daughter who loves coffee? The kids will appreciate your sense of humor.