No bones about it: our Halloween skull mugs will be the life of the party. Of course, they're also perfect for coffee on those mornings when you wake up dead tired. Hand cast from durable stoneware, the mugs are glazed in subtly iridescent graphite gray with lightly distressed details. Microwavable and dishwasher safe. 3" high, 10.2-oz. cap. Set of four. Made in China. A Williams-Sonoma exclusive.