The cotton & canvas co. Best grandpa ever porcelain ceramic coffee mug. Father's day gift, Christmas, for him. He has the best stories. The best hugs and loves you more than anything. The amazing man—your grandpa. It’s not always easy to find the perfect gift for him, but this personalized mug to let him just how awesome you think he is would be a good start. Gift as a Christmas gift or a birthday present, there’s no wrong time to let him know that you think he is the best. Material: porcelain ceramic Volume: 15 oz Top / Base Diameter: 3.25" W Height: 4.25" H Microwave and dishwasher safe