These 10 oz. Boston Diner Mugs are fun customizable coffee mug items. With two tone color designs and fully customizable imprint areas, these custom printed coffee mugs are ideal for promotional product marketing. Most customizable two tone coffee mugs has custom color options on the outside of the mug, but this quality unique customizable coffee mug allows for custom color choice on the inside of the mug. Whichever color is chosen for the inside of the mug has matching ceramic material and custom printed logos. These customizable promotional products work very well as promotional giveaway items. They are classy and have quality designs which also makes them ideal as standard drinkware items at a bar or restaurant.