Mug With Funny Sayings By Pfaltzgraff – Stay Away! 18oz Coffee Mug. What a great gift for the coffee lover in your life! It is only $5 plus shipping is a flat $5 fee so order one for every coffee lover in your life! A perfect gift for the white elephant exchange at the office! This mug has humor darker than a dark roast, and a size large enough to keep coffee fiends caffeinated at home or at work. Microwave and dishwasher safe.