CAC China PRM-12-CBU Venice 12-Ounce Cobalt Blue Stoneware Round Stacking Mug, 3-1/4 by 3-1/4 by 3-5/8-Inch, 36-Pack Round Stacking Mug Stoneware, cobalt blue Modern and trendy for hospitality and foodservice industry Durable china, break, chip and scratch resistance in normal use Oven-, microwave- and dishwasher-safe