Original Artwork by Martina Schmidt.  For the Free Spirited Hippie in the Family!Born to be in the Great Outdoors, this custom enamel mug is a camper's best sidekick. With 12oz. for your favorite beverage, these camping mugs are anti-alkali and acid-proof, making them a hard-wearing choice for any adventure. Plus, when at home, they can be tossed in the dishwasher for hassle-free cleaning. Add your unique designs and create an instant favorite. .: Material: cold-rolled steel plate, with enamel glazed surface.: One size: 12oz (0.35 l).: Anti-alkali and acid proof.: Glossy finish.: Dishwasher safe