Americaware's Best Friend Series of mugs are the highest quality molded stoneware mugs available. With full color decoration and 3-D relief lettering these mugs meet all FDA and Ca. Prop 65 standards for food safety and are lead free. Their oversized 18 oz. capacity not only makes them perfect for the coffee lover but also ideal for soup chili or anything else you choose to enjoy in them. Don't let the large size scare you you don't need to fill them all the way. Dishwasher and Microwave Safe