This quality ceramic coffee 15 oz. mug is a perfect gift for any grandparent or grandparent to be. It is a good gift for the person that is hard to buy for. The Grandpa's Sippy Cup" text is sandblasted through the glaze, then the text is sprayed with a protective sealer to make it dishwasher safe and microwavable. Its dimensions are 4 inches tall and has a diameter of 3.25 inches and it holds 15 fluid ounces. Product made overseas, sandblasting and designing done in Alda Nebraska.