Our mugs come in 11 oz sizes. They’re crafted from the highest grade ceramic, and our designs are printed and sublimated in the United States. •PLUS, OUR MUGS ARE MICROWAVE AND DISHWASHER SAFE. •"I Must Have Been A Koala In My Past Life - Funny Coffee Mug" . You never have to worry when you do business with ; we stand by our mugs 100%.