Ah, it’s your first day at S.T.A.R Laboratories. What could go wrong? This officially licensed DC Comics Flash Mug looks pretty official and will definitely make you look more important than your co-workers, even if you don’t work in a secret lab with meta human superheroes. The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. Please note - While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, they strongly recommend against it.
or
