Officially licensed Harry Potter merchandise by Half Moon Bay Design features the Gryffindor crest on one side Features the Hogwarts crest on the other side 350ml - 12 (w) x 10. 5 (h) x 9 (d) cm Dishwasher and microwave safe This Harry Potter mug features the red and gold Gryffindor crest on one side and the Hogwarts crest, which features all four houses, on the other. Featuring a lion, the Gryffindor crest represents a house that values courage, bravery, nerve, and chivalry. Product Code: MUGBHP04