CAC China PRM-10-W 10-Ounce Stoneware Round Stacking Mug, 3-1/4-Inch, American White, Box of 36 Stackable mug Stoneware, American white, creamy white, off white Modern and trendy for hospitality and foodservice industry Durable china; Break-resistant, chip-resistant and scratch-resistant with normal use Oven, microwave and dishwasher safe