Custom Coffee Mug - Novelty Barcode Coffee Mug Our Novelty Barcode coffee mug is a great personalized gift for your favorite co-workers. Each Custom Coffee Mug makes a great personalized gag gift for any occasion. The Novelty Barcode Coffee Mug actually displays the first name if scanned!! Our Custom Barcode Coffee Mug is available on our dishwasher safe ceramic coffee mug. Coffee Mug holds 11 oz. Includes FREE Personalization! Customize your Barcode Coffee Mug with any first name.