Hand made in Poland Safe to use in microwave, dishwasher, freezer, oven No lead or cadmium Sip your morning coffee, hot cocoa, and cozy teas from our durable ceramic mugs. A classic silhouette and painted designs offer a comfortable and stylish option while the glaze protects from coffee stains. Dishwasher safe for convenient cleanup. 3.75 inches tall, 12 oz. Stoneware Sip your morning coffee, hot cocoa, and cozy teas from our durable ceramic mugs. A classic silhouette and painted designs offer a comfortable and stylish option while the glaze protects from coffee stains. Dishwasher safe for convenient cleanup. 3.75 inches tall, 12 oz.