Striking and colorful don't begin to describe this fantastic Wizarding World of Harry Potter Gryffindor Mug! Made of stoneware and measuring about 4 1/2-inches tall x 3 3/4-inches in diameter, it belongs on the desk of every Gryffindor student out there that values courage, bravery, nerve, and chivalry. If that's you, this is your mug. Be brave - order yours without delay! Hand wash only. Not dishwasher safe. Do not microwave.