HOGWARTS HOUSE REVEAL COFFEE MUG

Add a hot beverage and reveal your Hogwarts house! • 325 ml ceramic mug • Black exterior when empty and cool • Photos appear when hot liquid is added • Reverts to black when empty & at room temperature • Clean with a sponge. Do not scrub over the images. • Magic Mugs can safely be used in both conventional and microwave ovens; however, they aren't dishwasher safe.