You Must Be Made of Copper and Tellurium 'Cause You Are Cute Funny Mug 11oz Ceramic Coffee Mug These are professionally printed ceramic mugs. High quality and durable prints, wash them over and over again and they will stay vibrant! You will be the coolest person in the office, without a doubt. Perfect for home use, the office, gifts or just for decoration! Pictures included are of the actual items up for sale.