It\'s not difficult to work out why dad\'s in a mood most mornings. He\'s never really been an early riser, more like a bear with a sore head. But once he\'s had his caffeine fix, he\'s ready and raring to face the day ahead. If you\'re looking for a fun gift to make him smile just in time for his upcoming birthday or Father\'s Day, then this mug may be just what he needs to kick his day off the right way. The white design features a battery icon with only two green cells lit up. Underneath it reads \'Daddy\'s Fuel... Refill Immediately\'. On the back it can be personalised with his name, to read \'Warning Do Not Approach [Recipient\'s name] Until The Cup Is Empty\'. A humorous gift that he\'ll love to use and will always remind him of the love of his family. What Can I Put On My Mug?Personalise it with a name in up to 18 characters each. Use our innovative preview feature to see how it will look with your personalisation. Simply press the Preview button to see how your personalised mug will look.Material: CeramicFinish: GlossMug Type: Heat change or standard mugCare Instructions: Dishwasher Safe, Scratch ResistantPlease note: The heat-change option will arrive as a black mug and the image only appears once hot liquid is poured into it.