Classic Stoneware Mugs, 15 Oz. Four Color Set ( Set of 4) Classic stoneware mugs add a contemporary flair to your morning cup of coffee or an evening cup of tea! The perfect accent for dinner parties, receptions, and events, their sturdy design will also stand up to use in busy restaurants and banquet facilities. Microwave and dishwasher safe. Case includes 4 set of 15-oz. Classic stoneware mugs.