Because you're a Ravenclaw, we know you value intelligence, creativity, learning, and wit. We also know you'll love this gorgeous Wizarding World of Harry Potter Ravenclaw Mug. Crafted of stoneware, it measures about 4 1/2-inches tall x 3 3/4-inches in diameter. No logical riddle must be solved to gain this fine mug, but you do have to place your order to get one. make the smart move - order now.Hand wash only. Not dishwasher safe. Do not microwave.