This product is handcrafted and painted. You may notice small air bubbles, pinholes, or uneven paint on its surface. This is normal and to be expected as a result of the intricate ceramic manufacturing process. Specifications Mug Dimension: 4.5” Height x 4.25" Width Capacity - 16oz Material Ceramic Care Advice Microwave Safe Dishwasher Safe Hand wash recommended Grace Teaware Happy Snowman 16oz Coffee Mug