Key Features:Gloss finishHeat change or standard mug availableScratch ResistantFeaturing a comic book design, the word \'Boom\' is placed on the front in a red font and yellow and blue design. Personalise the back with a message to make a brilliant gift for a special occasion!Personalisation:Personalise the mug with a message in up to 72 charactersUse our innovative preview feature to see how it will look with your personalisation. Simply enter the message and press the Preview buttonMaterial:CeramicCare Instructions:Hand wash recommendedPlease Note:The heat change option will arrive as a black mug and the image only appears once hot liquid is poured into it