Experience the magic of the wonderful Wizarding World of Harry Potter thanks to the Silver Buffalo Warner Bros. Harry Potter Hogwarts Crest Splatter Ceramic Coffee Mug. This 14-ounce novelty coffee mug features the crest for Hogwarts School of Witchcraft and Wizardry – which displays the four Hogwarts houses: Slytherin, Ravenclaw, Hufflepuff, and Gryffindor. This novelty coffee mug is constructed from BPA-free and toxin-free ceramic, but is not microwave-safe or dishwasher-safe; it’s hand-wash only. This ceramic heat reveal coffee mug is a great gift for any Harry Potter fans or Hogwarts School of Witchcraft and Wizardry students in your wizarding life. You can feel confident knowing you are purchasing authentic, officially licensed Harry Potter products from Silver Buffalo.Silver Buffalo is a trendsetting housewares and home decor company based in the heart of New York City. Working in collaboration with licensors and brands, Silver Buffalo develops unique, creative and ground-breaking products with a devotion to detail and commitment to innovation while staying true to current trends. Silver Buffalo prides themselves on manufacturing and distributing exciting products that connect with the child or fan(atic) in all of us.