Nani?Wear River Song Double-Sided Geek Mug: Hello Sweetie, Spoilers One double-sided 11oz ceramic mug Artwork is dye sublimated, which is a process where the ink becomes part of the material it's pressed to so colors are vibrant and will not fade, wash off, or crack. Dishwasher and microwave safe Comes packaged with a white gift box Designed and printed in Denver, Colorado