We all know that “The Best Dads Get Promoted to Grandpa”, and that’s what this fun coffee mug reminds him of every time he drinks from it. This sturdy white ceramic mug can be personalized with the names of all his grandchildren, making it a unique present just for him. It’s dishwasher safe too and holds 15 ounces of his favorite hot beverage. Got lots of grandchildren? Buy two!